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64465034454 = 23228112745163
BaseRepresentation
bin111100000010011010…
…100101110011010110
320011101200100001112200
4330002122211303112
52024011022100304
645340445225330
74441334515602
oct740232456326
9204350301480
1064465034454
1125380916587
12105b1262246
136104810802
14319789a502
151a24735e39
hexf026a5cd6

64465034454 has 24 divisors (see below), whose sum is σ = 140171313672. Its totient is φ = 21411872160.

The previous prime is 64465034429. The next prime is 64465034479. The reversal of 64465034454 is 45443056446.

64465034454 is a `hidden beast` number, since 64 + 46 + 503 + 4 + 45 + 4 = 666.

64465034454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (64465034429) and next prime (64465034479).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6367524 + ... + 6377639.

It is an arithmetic number, because the mean of its divisors is an integer number (5840471403).

Almost surely, 264465034454 is an apocalyptic number.

64465034454 is an abundant number, since it is smaller than the sum of its proper divisors (75706279218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64465034454 is a wasteful number, since it uses less digits than its factorization.

64465034454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12745452 (or 12745449 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 45.

The spelling of 64465034454 in words is "sixty-four billion, four hundred sixty-five million, thirty-four thousand, four hundred fifty-four".

Divisors: 1 2 3 6 9 18 281 562 843 1686 2529 5058 12745163 25490326 38235489 76470978 114706467 229412934 3581390803 7162781606 10744172409 21488344818 32232517227 64465034454