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57043457451 = 3253231119069
BaseRepresentation
bin110101001000000011…
…100001010110101011
312110020110022212211100
4311020003201112223
51413311111114301
642112211132443
74056406250061
oct651003412653
9173213285740
1057043457451
11222125a9972
12b07b8a4123
1354c1080126
142a91d60031
15173cde5286
hexd480e15ab

57043457451 has 12 divisors (see below), whose sum is σ = 82398345120. Its totient is φ = 38027937840.

The previous prime is 57043457431. The next prime is 57043457459. The reversal of 57043457451 is 15475434075.

57043457451 is a `hidden beast` number, since 5 + 70 + 4 + 3 + 4 + 574 + 5 + 1 = 666.

It is not a de Polignac number, because 57043457451 - 27 = 57043457323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57043457397 and 57043457406.

It is not an unprimeable number, because it can be changed into a prime (57043457459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 419545 + ... + 538613.

It is an arithmetic number, because the mean of its divisors is an integer number (6866528760).

Almost surely, 257043457451 is an apocalyptic number.

57043457451 is a deficient number, since it is larger than the sum of its proper divisors (25354887669).

57043457451 is a wasteful number, since it uses less digits than its factorization.

57043457451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172306 (or 172303 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 45.

The spelling of 57043457451 in words is "fifty-seven billion, forty-three million, four hundred fifty-seven thousand, four hundred fifty-one".

Divisors: 1 3 9 53231 119069 159693 357207 479079 1071621 6338161939 19014485817 57043457451