You have: 2^128 seconds You want: yottayears * 10783128 The universe is less than 14 gigayears old. I don't know of any estimates of how long it will last

You have: 2^128 seconds You want: yottayears * 10783128 The universe is less than 14 gigayears old. I don't know of any estimates of how long it will last, but by the Copernican principle we can expect it to be on the order of gigayears.