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56249400696 = 23319326594567
BaseRepresentation
bin110100011000101110…
…011011110101111000
312101012010011121201220
4310120232123311320
51410144321310241
641501323512040
74030625005566
oct643056336570
9171163147656
1056249400696
1121945358315
12aa99988620
1353c56cb468
142a18700a36
1516e3344166
hexd18b9bd78

56249400696 has 64 divisors (see below), whose sum is σ = 141436243200. Its totient is φ = 18641553408.

The previous prime is 56249400689. The next prime is 56249400719. The reversal of 56249400696 is 69600494265.

It is a happy number.

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12314205 + ... + 12318771.

It is an arithmetic number, because the mean of its divisors is an integer number (2209941300).

Almost surely, 256249400696 is an apocalyptic number.

It is an amenable number.

56249400696 is an abundant number, since it is smaller than the sum of its proper divisors (85186842504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56249400696 is a wasteful number, since it uses less digits than its factorization.

56249400696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7428 (or 7424 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 51.

The spelling of 56249400696 in words is "fifty-six billion, two hundred forty-nine million, four hundred thousand, six hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 24 193 386 579 772 1158 1544 2316 2659 4567 4632 5318 7977 9134 10636 13701 15954 18268 21272 27402 31908 36536 54804 63816 109608 513187 881431 1026374 1539561 1762862 2052748 2644293 3079122 3525724 4105496 5288586 6158244 7051448 10577172 12143653 12316488 21154344 24287306 36430959 48574612 72861918 97149224 145723836 291447672 2343725029 4687450058 7031175087 9374900116 14062350174 18749800232 28124700348 56249400696