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64790461934 = 2112945020997
BaseRepresentation
bin111100010101110011…
…111111110111101110
320012020100200111010022
4330111303333313232
52030142324240214
645433032242142
74452365561012
oct742563776756
9205210614108
1064790461934
1125528588010
1210682240352
136157072253
1431c8bac542
151a430b8d8e
hexf15cffdee

64790461934 has 8 divisors (see below), whose sum is σ = 106020755928. Its totient is φ = 29450209960.

The previous prime is 64790461921. The next prime is 64790461937. The reversal of 64790461934 is 43916409746.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×647904619342 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64790461937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1472510477 + ... + 1472510520.

It is an arithmetic number, because the mean of its divisors is an integer number (13252594491).

Almost surely, 264790461934 is an apocalyptic number.

64790461934 is a deficient number, since it is larger than the sum of its proper divisors (41230293994).

64790461934 is a wasteful number, since it uses less digits than its factorization.

64790461934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2945021010.

The product of its (nonzero) digits is 3919104, while the sum is 53.

The spelling of 64790461934 in words is "sixty-four billion, seven hundred ninety million, four hundred sixty-one thousand, nine hundred thirty-four".

Divisors: 1 2 11 22 2945020997 5890041994 32395230967 64790461934