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57130077138 = 239521679523
BaseRepresentation
bin110101001101001101…
…111100101111010010
312110110111022121200220
4311031031330233102
51414000244432023
642124543453510
74061510433441
oct651515745722
9173414277626
1057130077138
1122257491592
12b0a48b7296
135505cba594
142a9d66ad58
1517458053e3
hexd4d37cbd2

57130077138 has 8 divisors (see below), whose sum is σ = 114260154288. Its totient is φ = 19043359044.

The previous prime is 57130077133. The next prime is 57130077149. The reversal of 57130077138 is 83177003175.

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

57130077138 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 57130077138.

It is not an unprimeable number, because it can be changed into a prime (57130077133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4760839756 + ... + 4760839767.

It is an arithmetic number, because the mean of its divisors is an integer number (14282519286).

Almost surely, 257130077138 is an apocalyptic number.

57130077138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

57130077138 is a wasteful number, since it uses less digits than its factorization.

57130077138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9521679528.

The product of its (nonzero) digits is 123480, while the sum is 42.

The spelling of 57130077138 in words is "fifty-seven billion, one hundred thirty million, seventy-seven thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 9521679523 19043359046 28565038569 57130077138