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56803513408 = 2615125722871
BaseRepresentation
bin110100111001110000…
…001101010001000000
312102121201211110110221
4310321300031101000
51412313144412113
642032320232424
74050433616545
oct647160152100
9172551743427
1056803513408
11220aa114404
12b01346b714
13548344b8c5
142a6c140bcc
151726cea98d
hexd39c0d440

56803513408 has 56 divisors (see below), whose sum is σ = 113912440704. Its totient is φ = 28102656000.

The previous prime is 56803513387. The next prime is 56803513423. The reversal of 56803513408 is 80431530865.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2472213 + ... + 2495083.

Almost surely, 256803513408 is an apocalyptic number.

It is an amenable number.

56803513408 is an abundant number, since it is smaller than the sum of its proper divisors (57108927296).

56803513408 is a wasteful number, since it uses less digits than its factorization.

56803513408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23291 (or 23281 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 56803513408 in words is "fifty-six billion, eight hundred three million, five hundred thirteen thousand, four hundred eight".

Divisors: 1 2 4 8 16 32 64 151 257 302 514 604 1028 1208 2056 2416 4112 4832 8224 9664 16448 22871 38807 45742 77614 91484 155228 182968 310456 365936 620912 731872 1241824 1463744 2483648 3453521 5877847 6907042 11755694 13814084 23511388 27628168 47022776 55256336 94045552 110512672 188091104 221025344 376182208 887554897 1775109794 3550219588 7100439176 14200878352 28401756704 56803513408