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80474921420890 = 2526428330450283
BaseRepresentation
bin10010010011000100000111…
…000110101100100001011010
3101112221022211122021220210011
4102103010013012230201122
541022000114340432030
6443053400222512134
722644056400441013
oct2223040706544132
9345838748256704
1080474921420890
112370724a18a9a7
1290386b443564a
1335b99a23c3069
1415c301521800a
1594850da26b2a
hex4931071ac85a

80474921420890 has 16 divisors (see below), whose sum is σ = 144855411419808. Its totient is φ = 32189845710096.

The previous prime is 80474921420849. The next prime is 80474921420891. The reversal of 80474921420890 is 9802412947408.

It is not an unprimeable number, because it can be changed into a prime (80474921420891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12582312 + ... + 17867971.

It is an arithmetic number, because the mean of its divisors is an integer number (9053463213738).

Almost surely, 280474921420890 is an apocalyptic number.

80474921420890 is a deficient number, since it is larger than the sum of its proper divisors (64380489998918).

80474921420890 is a wasteful number, since it uses less digits than its factorization.

80474921420890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30714573.

The product of its (nonzero) digits is 9289728, while the sum is 58.

The spelling of 80474921420890 in words is "eighty trillion, four hundred seventy-four billion, nine hundred twenty-one million, four hundred twenty thousand, eight hundred ninety".

Divisors: 1 2 5 10 264283 528566 1321415 2642830 30450283 60900566 152251415 304502830 8047492142089 16094984284178 40237460710445 80474921420890