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57368128913 = 79726178847
BaseRepresentation
bin110101011011011010…
…000010110110010001
312111002002020220100022
4311123122002312101
51414442220111123
642204330033225
74100431023104
oct653332026621
9174062226308
1057368128913
11223698a4397
12b150578815
135543408714
142ac311673b
15175b6791c8
hexd5b682d91

57368128913 has 4 divisors (see below), whose sum is σ = 58094307840. Its totient is φ = 56641949988.

The previous prime is 57368128847. The next prime is 57368128921. The reversal of 57368128913 is 31982186375.

57368128913 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 a cyclic number.

It is not a de Polignac number, because 57368128913 - 228 = 57099693457 is a prime.

It is a super-2 number, since 2×573681289132 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57368122913) 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, 363089345 + ... + 363089502.

It is an arithmetic number, because the mean of its divisors is an integer number (14523576960).

Almost surely, 257368128913 is an apocalyptic number.

It is an amenable number.

57368128913 is a deficient number, since it is larger than the sum of its proper divisors (726178927).

57368128913 is an equidigital number, since it uses as much as digits as its factorization.

57368128913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726178926.

The product of its digits is 2177280, while the sum is 53.

The spelling of 57368128913 in words is "fifty-seven billion, three hundred sixty-eight million, one hundred twenty-eight thousand, nine hundred thirteen".

Divisors: 1 79 726178847 57368128913