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56818580072 = 23173831090819
BaseRepresentation
bin110100111010101001…
…101011101001101000
312102122210011221001112
4310322221223221220
51412331024030242
642034015205452
74051005650642
oct647251535150
9172583157045
1056818580072
11221076751a1
12b018516888
1354865c56a7
142a70143892
1517282c4c82
hexd3aa6ba68

56818580072 has 32 divisors (see below), whose sum is σ = 113096217600. Its totient is φ = 26668318464.

The previous prime is 56818580041. The next prime is 56818580101. The reversal of 56818580072 is 27008581865.

It is a self number, because there is not a number n which added to its sum of digits gives 56818580072.

It is an unprimeable number.

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, 493322 + ... + 597497.

It is an arithmetic number, because the mean of its divisors is an integer number (3534256800).

Almost surely, 256818580072 is an apocalyptic number.

It is an amenable number.

56818580072 is a deficient number, since it is larger than the sum of its proper divisors (56277637528).

56818580072 is a wasteful number, since it uses less digits than its factorization.

56818580072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091225 (or 1091221 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 50.

The spelling of 56818580072 in words is "fifty-six billion, eight hundred eighteen million, five hundred eighty thousand, seventy-two".

Divisors: 1 2 4 8 17 34 68 136 383 766 1532 3064 6511 13022 26044 52088 1090819 2181638 4363276 8726552 18543923 37087846 74175692 148351384 417783677 835567354 1671134708 3342269416 7102322509 14204645018 28409290036 56818580072