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57164474485 = 511432894897
BaseRepresentation
bin110101001111010001…
…001010100001110101
312110112220001011222201
4311033101022201311
51414033101140420
642132213024501
74062406005316
oct651721124165
9173486034881
1057164474485
1122274945848
12b0b4325131
135510171c41
142aa406260d
15174884c10a
hexd4f44a875

57164474485 has 4 divisors (see below), whose sum is σ = 68597369388. Its totient is φ = 45731579584.

The previous prime is 57164474461. The next prime is 57164474509. The reversal of 57164474485 is 58447446175.

It is a happy number.

57164474485 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.

It is an interprime number because it is at equal distance from previous prime (57164474461) and next prime (57164474509).

It can be written as a sum of positive squares in 2 ways, for example, as 8165110321 + 48999364164 = 90361^2 + 221358^2 .

It is a cyclic number.

It is not a de Polignac number, because 57164474485 - 227 = 57030256757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5716447444 + ... + 5716447453.

It is an arithmetic number, because the mean of its divisors is an integer number (17149342347).

Almost surely, 257164474485 is an apocalyptic number.

It is an amenable number.

57164474485 is a deficient number, since it is larger than the sum of its proper divisors (11432894903).

57164474485 is a wasteful number, since it uses less digits than its factorization.

57164474485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11432894902.

The product of its digits is 15052800, while the sum is 55.

The spelling of 57164474485 in words is "fifty-seven billion, one hundred sixty-four million, four hundred seventy-four thousand, four hundred eighty-five".

Divisors: 1 5 11432894897 57164474485