Double the Last Number

[Lessinath]

I think the next is

19342813113834066795298816

[IceyLava108]

38685626227668133590597632

[BigOto2]

7.7371252e+25


Ooops. This is going to lose accuracy really quickly.

[Earthling]

: 11 111 :1: :11 11: ::1 1 1 111


: 38 685 626 227 668 133 590 597 632


+ 38 685 626 227 668 133 590 597 632


-----------------------------


= 77 371 252 455 336 267 181 195 26
4


I know it's hard to believe, but some people really still do math like that. Those same people may not necessarily understand scientific notation, and therefore choose to ignore posts which include it.

(Colons are there to prevent problems with the formatting)

[random 8]

: 77 371 252 455 336 267 181 195 264


+ 77 371 252 455 336 267 181 195 264


------------------------------------


:154 742 504 910 672 534 362 390 528


I like this format.

[Markus]

: 154 742 504 910 672 534 362 390 528

+
154 742 504 910 672 534 362 390 528

------------------------------------


= 309 485 009 821 345 068 724 781 056




Am I the only one who does these from left to right?

[Earthling]

Am I the only one who does these from left to right?

... How?

[random 8]

I do on occasion, but usually right to left.

: 309 485 009 821 345 068 724 781 056



+ 309 485 009 821 345 068 724 781 056



-------------------------------------



: 618 970 019 642 690 137 449 562 112

[Markus]

... How?

You add the two numbers, then add 1 if the next numbers add to something above 9

:
618 970 019 642 690 137 449 562 112


+

618 970 019 642 690 137 449 562 112


-------------------------------------



: 1 237 940 039 285 380 274 899 124 224

[Earthling]

: 1 237 940 039 285 380 274 899 124 224



+ 1 237 940 039 285 380 274 899 124 224



---------------------------------------



= 2 475 880 078 570 760 549 798 248 448


Or, 2 octillion, four hundred and seventy-five septillion, eight hundred and eighty sextillion, seventy-eight quintillion, five hundred and seventy quadrillion, seven hundred and sixty trillion, five hundred and forty-nine billion, seven hundred and ninety-eight million, two hundred and forty-eight thousand, four hundred and forty-eight.