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57489621107 = 167593430373
BaseRepresentation
bin110101100010101001…
…100000000001110011
312111101112212100022012
4311202221200001303
51420214320333412
642224350033135
74103434500542
oct654251400163
9174345770265
1057489621107
1122421435266
12b1851a87ab
1355626358a9
142ad5300159
151767176c22
hexd62a60073

57489621107 has 4 divisors (see below), whose sum is σ = 57493068240. Its totient is φ = 57486173976.

The previous prime is 57489621061. The next prime is 57489621109. The reversal of 57489621107 is 70112698475.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57489621107 - 214 = 57489604723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57489621109) 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, 1698428 + ... + 1731945.

It is an arithmetic number, because the mean of its divisors is an integer number (14373267060).

Almost surely, 257489621107 is an apocalyptic number.

57489621107 is a deficient number, since it is larger than the sum of its proper divisors (3447133).

57489621107 is a wasteful number, since it uses less digits than its factorization.

57489621107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3447132.

The product of its (nonzero) digits is 846720, while the sum is 50.

The spelling of 57489621107 in words is "fifty-seven billion, four hundred eighty-nine million, six hundred twenty-one thousand, one hundred seven".

Divisors: 1 16759 3430373 57489621107