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57057209714 = 255315157947
BaseRepresentation
bin110101001000110111…
…111110110101110010
312110021102012120101102
4311020313332311302
51413323121202324
642113422004402
74056634165121
oct651067766562
9173242176342
1057057209714
112221a34217a
12b084416702
1354c3b8686b
142a93addab8
15173e20edae
hexd48dfed72

57057209714 has 8 divisors (see below), whose sum is σ = 85601305008. Its totient is φ = 28523441380.

The previous prime is 57057209707. The next prime is 57057209717. The reversal of 57057209714 is 41790275075.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57057209717) 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, 2567912 + ... + 2590035.

It is an arithmetic number, because the mean of its divisors is an integer number (10700163126).

Almost surely, 257057209714 is an apocalyptic number.

57057209714 is a deficient number, since it is larger than the sum of its proper divisors (28544095294).

57057209714 is a wasteful number, since it uses less digits than its factorization.

57057209714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5163480.

The product of its (nonzero) digits is 617400, while the sum is 47.

The spelling of 57057209714 in words is "fifty-seven billion, fifty-seven million, two hundred nine thousand, seven hundred fourteen".

Divisors: 1 2 5531 11062 5157947 10315894 28528604857 57057209714