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56208930791 = 1343100552649
BaseRepresentation
bin110100010110010100…
…000011011111100111
312101002022000112110112
4310112110003133213
51410103441241131
641453320243235
74026624012536
oct642624033747
9171068015415
1056208930791
1121924526712
12aa8831051b
1353ba1cba80
142a131a831d
1516de9ed02b
hexd165037e7

56208930791 has 8 divisors (see below), whose sum is σ = 61940432400. Its totient is φ = 50678534592.

The previous prime is 56208930779. The next prime is 56208930803. The reversal of 56208930791 is 19703980265.

It is an interprime number because it is at equal distance from previous prime (56208930779) and next prime (56208930803).

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 56208930791 - 26 = 56208930727 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 (56208930731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50275766 + ... + 50276883.

It is an arithmetic number, because the mean of its divisors is an integer number (7742554050).

Almost surely, 256208930791 is an apocalyptic number.

56208930791 is a deficient number, since it is larger than the sum of its proper divisors (5731501609).

56208930791 is a wasteful number, since it uses less digits than its factorization.

56208930791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100552705.

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 56208930791 in words is "fifty-six billion, two hundred eight million, nine hundred thirty thousand, seven hundred ninety-one".

Divisors: 1 13 43 559 100552649 1307184437 4323763907 56208930791