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57617830105 = 5112294574659
BaseRepresentation
bin110101101010010010…
…100101000011011001
312111201111010000222121
4311222102211003121
51421000131030410
642245210021241
74106552321653
oct655222450331
9174644100877
1057617830105
1122487843610
12b200117821
1355830750c4
142b083556d3
15177354e9da
hexd6a4a50d9

57617830105 has 16 divisors (see below), whose sum is σ = 75756369600. Its totient is φ = 41720880960.

The previous prime is 57617830073. The next prime is 57617830117. The reversal of 57617830105 is 50103871675.

It is not a de Polignac number, because 57617830105 - 25 = 57617830073 is a prime.

It is a super-2 number, since 2×576178301052 (a number of 22 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 2274735 + ... + 2299924.

It is an arithmetic number, because the mean of its divisors is an integer number (4734773100).

Almost surely, 257617830105 is an apocalyptic number.

57617830105 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

57617830105 is a deficient number, since it is larger than the sum of its proper divisors (18138539495).

57617830105 is a wasteful number, since it uses less digits than its factorization.

57617830105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4574904.

The product of its (nonzero) digits is 176400, while the sum is 43.

The spelling of 57617830105 in words is "fifty-seven billion, six hundred seventeen million, eight hundred thirty thousand, one hundred five".

Divisors: 1 5 11 55 229 1145 2519 12595 4574659 22873295 50321249 251606245 1047596911 5237984555 11523566021 57617830105