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57315233477 = 127451301051
BaseRepresentation
bin110101011000010000…
…010000111011000101
312110221101201112110002
4311120100100323011
51414340144432402
642155200211045
74066216306025
oct653020207305
9173841645402
1057315233477
1122341a56257
12b136909a85
135535478448
142aba0a7a85
151756bcb602
hexd58410ec5

57315233477 has 4 divisors (see below), whose sum is σ = 57766534656. Its totient is φ = 56863932300.

The previous prime is 57315233473. The next prime is 57315233513. The reversal of 57315233477 is 77433251375.

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 57315233477 - 22 = 57315233473 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57315233471) 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, 225650399 + ... + 225650652.

It is an arithmetic number, because the mean of its divisors is an integer number (14441633664).

Almost surely, 257315233477 is an apocalyptic number.

It is an amenable number.

57315233477 is a deficient number, since it is larger than the sum of its proper divisors (451301179).

57315233477 is a wasteful number, since it uses less digits than its factorization.

57315233477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451301178.

The product of its digits is 1852200, while the sum is 47.

The spelling of 57315233477 in words is "fifty-seven billion, three hundred fifteen million, two hundred thirty-three thousand, four hundred seventy-seven".

Divisors: 1 127 451301051 57315233477