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57634760886 = 23591971994153
BaseRepresentation
bin110101101011010011…
…001010100010110110
312111202122222012122120
4311223103022202312
51421013444322021
642251012540410
74110146245563
oct655323124266
9174678865576
1057634760886
112249635799a
12b205921706
135586722511
142b0a6c186a
151774c962c6
hexd6b4ca8b6

57634760886 has 64 divisors (see below), whose sum is σ = 118438848000. Its totient is φ = 18691174656.

The previous prime is 57634760881. The next prime is 57634760893. The reversal of 57634760886 is 68806743675.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57634760881) 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 31 ways as a sum of consecutive naturals, for example, 13875786 + ... + 13879938.

It is an arithmetic number, because the mean of its divisors is an integer number (1850607000).

Almost surely, 257634760886 is an apocalyptic number.

57634760886 is an abundant number, since it is smaller than the sum of its proper divisors (60804087114).

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

57634760886 is a wasteful number, since it uses less digits than its factorization.

57634760886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4613.

The product of its (nonzero) digits is 40642560, while the sum is 60.

The spelling of 57634760886 in words is "fifty-seven billion, six hundred thirty-four million, seven hundred sixty thousand, eight hundred eighty-six".

Divisors: 1 2 3 6 59 118 177 197 199 354 394 398 591 597 1182 1194 4153 8306 11623 11741 12459 23246 23482 24918 34869 35223 39203 69738 70446 78406 117609 235218 245027 490054 735081 818141 826447 1470162 1636282 1652894 2312977 2454423 2479341 4625954 4908846 4958682 6938931 13877862 48270319 48760373 96540638 97520746 144810957 146281119 162810059 289621914 292562238 325620118 488430177 976860354 9605793481 19211586962 28817380443 57634760886