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56975673305 = 512743894227
BaseRepresentation
bin110101000100000000…
…111100011111011001
312110001201210002110102
4311010000330133121
51413141233021210
642101350225145
74054624142465
oct650400743731
9173051702412
1056975673305
1122188311711
12b0610551b5
1354b0009075
142a86d574a5
151736ea5ea5
hexd4403c7d9

56975673305 has 8 divisors (see below), whose sum is σ = 68376249792. Its totient is φ = 45576910768.

The previous prime is 56975673269. The next prime is 56975673311. The reversal of 56975673305 is 50337657965.

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 56975673305 - 214 = 56975656921 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383399 + ... + 510828.

It is an arithmetic number, because the mean of its divisors is an integer number (8547031224).

Almost surely, 256975673305 is an apocalyptic number.

It is an amenable number.

56975673305 is a deficient number, since it is larger than the sum of its proper divisors (11400576487).

56975673305 is a wasteful number, since it uses less digits than its factorization.

56975673305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906975.

The product of its (nonzero) digits is 17860500, while the sum is 56.

The spelling of 56975673305 in words is "fifty-six billion, nine hundred seventy-five million, six hundred seventy-three thousand, three hundred five".

Divisors: 1 5 12743 63715 894227 4471135 11395134661 56975673305