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57235130913 = 319078376971
BaseRepresentation
bin110101010011011110…
…101100101000100001
312110201210222220101110
4311103132230220201
51414204143142123
642143215253533
74064224404612
oct652336545041
9173653886343
1057235130913
1122300814a94
12b113b1a2a9
1355219b048c
142aad5b5c09
15174eb57493
hexd537aca21

57235130913 has 4 divisors (see below), whose sum is σ = 76313507888. Its totient is φ = 38156753940.

The previous prime is 57235130903. The next prime is 57235130929. The reversal of 57235130913 is 31903153275.

57235130913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 57235130913 - 28 = 57235130657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57235130903) 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, 9539188483 + ... + 9539188488.

It is an arithmetic number, because the mean of its divisors is an integer number (19078376972).

Almost surely, 257235130913 is an apocalyptic number.

It is an amenable number.

57235130913 is a deficient number, since it is larger than the sum of its proper divisors (19078376975).

57235130913 is a wasteful number, since it uses less digits than its factorization.

57235130913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19078376974.

The product of its (nonzero) digits is 85050, while the sum is 39.

The spelling of 57235130913 in words is "fifty-seven billion, two hundred thirty-five million, one hundred thirty thousand, nine hundred thirteen".

Divisors: 1 3 19078376971 57235130913