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57347444305 = 511469488861
BaseRepresentation
bin110101011010001011…
…001000111001010001
312111000122100000101201
4311122023020321101
51414421421204210
642202310431201
74100060143114
oct653213107121
9174018300351
1057347444305
1122359156778
12b145662501
13553c0457c8
142ac049057b
15175994053a
hexd5a2c8e51

57347444305 has 4 divisors (see below), whose sum is σ = 68816933172. Its totient is φ = 45877955440.

The previous prime is 57347444239. The next prime is 57347444311. The reversal of 57347444305 is 50344474375.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30579866641 + 26767577664 = 174871^2 + 163608^2 .

It is not a de Polignac number, because 57347444305 - 221 = 57345347153 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5734744426 + ... + 5734744435.

It is an arithmetic number, because the mean of its divisors is an integer number (17204233293).

Almost surely, 257347444305 is an apocalyptic number.

It is an amenable number.

57347444305 is a deficient number, since it is larger than the sum of its proper divisors (11469488867).

57347444305 is a wasteful number, since it uses less digits than its factorization.

57347444305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11469488866.

The product of its (nonzero) digits is 2822400, while the sum is 46.

The spelling of 57347444305 in words is "fifty-seven billion, three hundred forty-seven million, four hundred forty-four thousand, three hundred five".

Divisors: 1 5 11469488861 57347444305