What is the number greater than Googolplex ?
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There is probably no number higher than a googolplex to which a convenient *name* has been given. The series of numbers is infinite. As I understand it, a googol is the 100th power of 10, and a googolplex is 10 raised to the power of a googol. To write a googolplex down, you would, I think, write a 1 followed by 10,000 trillion trillion trillion trillion trillion trillion trillion trillion zeros. Replace the last zero with a 1 and you have a higher number than a googolplex. The physicist Arthur Eddington, who flourished in the inter-war years, estimated the number of particles in the universe as (2.4 x 10 to the 79th), or fewer than a googol. His physics may be outdated, but it's unlikely that there is a googolplex of objects of any class in the universe.
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