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57277000000 = 26561141127
BaseRepresentation
bin110101010101111110…
…011010100101000000
312110211201210001222101
4311111332122211000
51414300403000000
642151312520144
74065243316123
oct652576324500
9173751701871
1057277000000
1122322411940
12b125b50054
13552a57c99c
142ab4d943ba
151753677e6a
hexd55f9a940

57277000000 has 392 divisors, whose sum is σ = 160017951744. Its totient is φ = 20160000000.

The previous prime is 57276999973. The next prime is 57277000003. The reversal of 57277000000 is 77275.

It is a happy number.

57277000000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57277000003) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 450999937 + ... + 451000063.

Almost surely, 257277000000 is an apocalyptic number.

57277000000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57277000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80008975872).

57277000000 is an abundant number, since it is smaller than the sum of its proper divisors (102740951744).

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

57277000000 is an equidigital number, since it uses as much as digits as its factorization.

57277000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 3430, while the sum is 28.

Adding to 57277000000 its reverse (77275), we get a palindrome (57277077275).

The spelling of 57277000000 in words is "fifty-seven billion, two hundred seventy-seven million", and thus it is an aban number.