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57913646672 = 2471213426287
BaseRepresentation
bin110101111011111011…
…000001111001010000
312112111002202002000202
4311323323001321100
51422101343143142
642334414234332
74120103605640
oct657373017120
9175432662022
1057913646672
112261981aa12
12b2831b59a8
1355cc4399ab
142b3575a520
15178e4d4032
hexd7bec1e50

57913646672 has 40 divisors (see below), whose sum is σ = 128343380736. Its totient is φ = 24799614336.

The previous prime is 57913646639. The next prime is 57913646677. The reversal of 57913646672 is 27664631975.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57913646677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77288 + ... + 348999.

Almost surely, 257913646672 is an apocalyptic number.

It is an amenable number.

57913646672 is an abundant number, since it is smaller than the sum of its proper divisors (70429734064).

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

57913646672 is a wasteful number, since it uses less digits than its factorization.

57913646672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427515 (or 427509 counting only the distinct ones).

The product of its digits is 11430720, while the sum is 56.

The spelling of 57913646672 in words is "fifty-seven billion, nine hundred thirteen million, six hundred forty-six thousand, six hundred seventy-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 1213 2426 4852 8491 9704 16982 19408 33964 67928 135856 426287 852574 1705148 2984009 3410296 5968018 6820592 11936036 23872072 47744144 517086131 1034172262 2068344524 3619602917 4136689048 7239205834 8273378096 14478411668 28956823336 57913646672