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57151231345 = 513879249713
BaseRepresentation
bin110101001110011110…
…101001010101110001
312110111222010100211001
4311032132221111301
51414021203400340
642131021122001
74062155310505
oct651636512561
9173458110731
1057151231345
112226841aaaa
12b0ab9b9301
13550a4b6170
142aa23b6305
1517475d329a
hexd4e7a9571

57151231345 has 8 divisors (see below), whose sum is σ = 73856975976. Its totient is φ = 42203986176.

The previous prime is 57151231331. The next prime is 57151231429. The reversal of 57151231345 is 54313215175.

It can be written as a sum of positive squares in 4 ways, for example, as 2877142321 + 54274089024 = 53639^2 + 232968^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57151231345 - 29 = 57151230833 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439624792 + ... + 439624921.

It is an arithmetic number, because the mean of its divisors is an integer number (9232121997).

Almost surely, 257151231345 is an apocalyptic number.

It is an amenable number.

57151231345 is a deficient number, since it is larger than the sum of its proper divisors (16705744631).

57151231345 is a wasteful number, since it uses less digits than its factorization.

57151231345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879249731.

The product of its digits is 63000, while the sum is 37.

The spelling of 57151231345 in words is "fifty-seven billion, one hundred fifty-one million, two hundred thirty-one thousand, three hundred forty-five".

Divisors: 1 5 13 65 879249713 4396248565 11430246269 57151231345