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57877608383 = 7172003242819
BaseRepresentation
bin110101111001110001…
…100011011110111111
312112101120221010210022
4311321301203132333
51422013131432013
642331050002355
74116155361020
oct657161433677
9175346833708
1057877608383
1122600445901
12b2731163bb
1355c4b2c46a
142b30a58c47
15178b266008
hexd79c637bf

57877608383 has 16 divisors (see below), whose sum is σ = 70072024320. Its totient is φ = 46667677056.

The previous prime is 57877608379. The next prime is 57877608407. The reversal of 57877608383 is 38380677875.

It is not a de Polignac number, because 57877608383 - 22 = 57877608379 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57877608353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116948 + ... + 359766.

It is an arithmetic number, because the mean of its divisors is an integer number (4379501520).

Almost surely, 257877608383 is an apocalyptic number.

57877608383 is a deficient number, since it is larger than the sum of its proper divisors (12194415937).

57877608383 is a wasteful number, since it uses less digits than its factorization.

57877608383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244846.

The product of its (nonzero) digits is 47416320, while the sum is 62.

The spelling of 57877608383 in words is "fifty-seven billion, eight hundred seventy-seven million, six hundred eight thousand, three hundred eighty-three".

Divisors: 1 7 17 119 2003 14021 34051 238357 242819 1699733 4127923 28895461 486366457 3404565199 8268229769 57877608383