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57025440137 = 311839530327
BaseRepresentation
bin110101000110111110…
…110010100110001001
312110012012102111201102
4311012332302212021
51413242003041022
642110325031145
74056100146341
oct650676624611
9173165374642
1057025440137
1122203413226
12b0758554b5
1354ba4122b3
142a8d7cdd21
15173b536a92
hexd46fb2989

57025440137 has 4 divisors (see below), whose sum is σ = 58864970496. Its totient is φ = 55185909780.

The previous prime is 57025440091. The next prime is 57025440151. The reversal of 57025440137 is 73104452075.

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 57025440137 - 210 = 57025439113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57025440137.

It is not an unprimeable number, because it can be changed into a prime (57025440167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 919765133 + ... + 919765194.

It is an arithmetic number, because the mean of its divisors is an integer number (14716242624).

Almost surely, 257025440137 is an apocalyptic number.

It is an amenable number.

57025440137 is a deficient number, since it is larger than the sum of its proper divisors (1839530359).

57025440137 is a wasteful number, since it uses less digits than its factorization.

57025440137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839530358.

The product of its (nonzero) digits is 117600, while the sum is 38.

The spelling of 57025440137 in words is "fifty-seven billion, twenty-five million, four hundred forty thousand, one hundred thirty-seven".

Divisors: 1 31 1839530327 57025440137