Actinillion

is equal to 101075 or a 1 followed by 1 quattuorvigintillion zeroes. The term was coined by Wikia user BlankEntityBlankEntity's Googology (Retrieved 10 June, 2022).
Writing down the full decimal expansion would take 1 duovigintillion books of 400 pages each, with 2,500 digits on each page (except for the first, which would have 2,501).
== Names in -illion systems ==
In Conway-Wechsler system,Conway and Guy (1995) "The book of Numbers" Copernicus \(10^{10^{75}}\) is expressed in short scale as follows by using Fish's result.Fish Illion name of 10^10^x in Conway-Wechsler system 2021-12-25Fish Conway's illion converter - 10^10^75
According to Landon Curt Noll's The English name of a number, actinillion is also known as:
== Approximations ==
== Sources ==
Category:Numbers
Category:Numbers by BlankEntity
Category:Class 3