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57119747802 = 23131290756737
BaseRepresentation
bin110101001100100110…
…100010111011011010
312110102202212211111220
4311030212202323122
51413440123412202
642123534232510
74061323562655
oct651446427332
9173382784456
1057119747802
1122251676a47
12b0a1355736
135503b11b50
142a9c13c89c
151744964abc
hexd4c9a2eda

57119747802 has 32 divisors (see below), whose sum is σ = 123038849472. Its totient is φ = 17573635584.

The previous prime is 57119747759. The next prime is 57119747803. The reversal of 57119747802 is 20874791175.

It is not an unprimeable number, because it can be changed into a prime (57119747803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 978378 + ... + 1035114.

It is an arithmetic number, because the mean of its divisors is an integer number (3844964046).

Almost surely, 257119747802 is an apocalyptic number.

57119747802 is an abundant number, since it is smaller than the sum of its proper divisors (65919101670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57119747802 is a wasteful number, since it uses less digits than its factorization.

57119747802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69662.

The product of its (nonzero) digits is 987840, while the sum is 51.

The spelling of 57119747802 in words is "fifty-seven billion, one hundred nineteen million, seven hundred forty-seven thousand, eight hundred two".

Divisors: 1 2 3 6 13 26 39 78 12907 25814 38721 56737 77442 113474 167791 170211 335582 340422 503373 737581 1006746 1475162 2212743 4425486 732304459 1464608918 2196913377 4393826754 9519957967 19039915934 28559873901 57119747802