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57131734027 = 105337542371
BaseRepresentation
bin110101001101010100…
…010001010000001011
312110110121102210112011
4311031110101100023
51414001210442102
642125043200351
74061530504144
oct651524212013
9173417383464
1057131734027
1122258413415
12b0a53760b7
13550644a7a4
142a9d97cacb
151745a312d7
hexd4d51140b

57131734027 has 4 divisors (see below), whose sum is σ = 57132381736. Its totient is φ = 57131086320.

The previous prime is 57131733947. The next prime is 57131734031. The reversal of 57131734027 is 72043713175.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57131734027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57131734057) 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, 165849 + ... + 376522.

It is an arithmetic number, because the mean of its divisors is an integer number (14283095434).

Almost surely, 257131734027 is an apocalyptic number.

57131734027 is a deficient number, since it is larger than the sum of its proper divisors (647709).

57131734027 is a wasteful number, since it uses less digits than its factorization.

57131734027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647708.

The product of its (nonzero) digits is 123480, while the sum is 40.

The spelling of 57131734027 in words is "fifty-seven billion, one hundred thirty-one million, seven hundred thirty-four thousand, twenty-seven".

Divisors: 1 105337 542371 57131734027