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57405712514 = 2166847172031
BaseRepresentation
bin110101011101101001…
…011010100010000010
312111011200222100100112
4311131221122202002
51420031330300024
642212151351322
74101365335223
oct653551324202
9174150870315
1057405712514
1122389034517
12b161082542
13554b137437
142ac80db24a
15175eb0000e
hexd5da5a882

57405712514 has 8 divisors (see below), whose sum is σ = 86109585408. Its totient is φ = 28702517380.

The previous prime is 57405712513. The next prime is 57405712537. The reversal of 57405712514 is 41521750475.

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

It is not an unprimeable number, because it can be changed into a prime (57405712513) by changing a digit.

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, 247679 + ... + 419709.

It is an arithmetic number, because the mean of its divisors is an integer number (10763698176).

Almost surely, 257405712514 is an apocalyptic number.

57405712514 is a deficient number, since it is larger than the sum of its proper divisors (28703872894).

57405712514 is a wasteful number, since it uses less digits than its factorization.

57405712514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338880.

The product of its (nonzero) digits is 196000, while the sum is 41.

The spelling of 57405712514 in words is "fifty-seven billion, four hundred five million, seven hundred twelve thousand, five hundred fourteen".

Divisors: 1 2 166847 172031 333694 344062 28702856257 57405712514