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57827857116 = 2234818988093
BaseRepresentation
bin110101110110110011…
…110001001011011100
312112021010022111212210
4311312303301023130
51421412412411431
642322111400420
74115012450421
oct656663611334
9175233274783
1057827857116
1122585354a57
12b25a523110
1355b7730343
142b281c7d48
151786bd9d46
hexd76cf12dc

57827857116 has 12 divisors (see below), whose sum is σ = 134931666632. Its totient is φ = 19275952368.

The previous prime is 57827857097. The next prime is 57827857117. The reversal of 57827857116 is 61175872875.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×578278571162 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57827857117) 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, 2409494035 + ... + 2409494058.

Almost surely, 257827857116 is an apocalyptic number.

It is an amenable number.

57827857116 is an abundant number, since it is smaller than the sum of its proper divisors (77103809516).

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

57827857116 is a wasteful number, since it uses less digits than its factorization.

57827857116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4818988100 (or 4818988098 counting only the distinct ones).

The product of its digits is 6585600, while the sum is 57.

The spelling of 57827857116 in words is "fifty-seven billion, eight hundred twenty-seven million, eight hundred fifty-seven thousand, one hundred sixteen".

Divisors: 1 2 3 4 6 12 4818988093 9637976186 14456964279 19275952372 28913928558 57827857116