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57107875803 = 31115157120071
BaseRepresentation
bin110101001011111001…
…010000011111011011
312110101221112200012020
4311023321100133123
51413424104011203
642122431545523
74061120635506
oct651371203733
9173357480166
1057107875803
11222459a8380
12b09938b2a3
1355015161b4
142a9a72c13d
1517438bc153
hexd4be507db

57107875803 has 32 divisors (see below), whose sum is σ = 83766718464. Its totient is φ = 34319700000.

The previous prime is 57107875801. The next prime is 57107875807. The reversal of 57107875803 is 30857870175.

It is not a de Polignac number, because 57107875803 - 21 = 57107875801 is a prime.

It is a super-2 number, since 2×571078758032 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57107875801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2835258 + ... + 2855328.

It is an arithmetic number, because the mean of its divisors is an integer number (2617709952).

Almost surely, 257107875803 is an apocalyptic number.

57107875803 is a deficient number, since it is larger than the sum of its proper divisors (26658842661).

57107875803 is a wasteful number, since it uses less digits than its factorization.

57107875803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20807.

The product of its (nonzero) digits is 1646400, while the sum is 51.

The spelling of 57107875803 in words is "fifty-seven billion, one hundred seven million, eight hundred seventy-five thousand, eight hundred three".

Divisors: 1 3 11 33 151 453 571 1661 1713 4983 6281 18843 20071 60213 86221 220781 258663 662343 948431 2845293 3030721 9092163 11460541 33337931 34381623 100013793 126065951 378197853 1730541691 5191625073 19035958601 57107875803