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57220535807 = 179734700143
BaseRepresentation
bin110101010010100111…
…000001010111111111
312110200210112101122222
4311102213001113333
51414141424121212
642141534355555
74063656346361
oct652247012777
9173623471588
1057220535807
11222a3556516
12b10b05bbbb
13551b970216
142aab696d31
15174d722c72
hexd529c15ff

57220535807 has 8 divisors (see below), whose sum is σ = 61211054016. Its totient is φ = 53299418112.

The previous prime is 57220535791. The next prime is 57220535843. The reversal of 57220535807 is 70853502275.

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

It is a cyclic number.

It is not a de Polignac number, because 57220535807 - 24 = 57220535791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57220535107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17348423 + ... + 17351720.

It is an arithmetic number, because the mean of its divisors is an integer number (7651381752).

Almost surely, 257220535807 is an apocalyptic number.

57220535807 is a deficient number, since it is larger than the sum of its proper divisors (3990518209).

57220535807 is a wasteful number, since it uses less digits than its factorization.

57220535807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34700257.

The product of its (nonzero) digits is 588000, while the sum is 44.

The spelling of 57220535807 in words is "fifty-seven billion, two hundred twenty million, five hundred thirty-five thousand, eight hundred seven".

Divisors: 1 17 97 1649 34700143 589902431 3365913871 57220535807