TIL a Googolpex is a number so large that if you were able to write it out in books the total mass of the books required would be vastly greater than the mass of the observable universe

https://en.wikipedia.org/wiki/Googolplex
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1gpzpno/til_a_googolpex_is_a_number_so_large_that_if_you/