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56956309242 = 2372193728943
BaseRepresentation
bin110101000010110111…
…000100111011111010
312110000101100021221220
4311002313010323322
51413121303343432
642055415212510
74054300432500
oct650267047372
9173011307856
1056956309242
1122178396158
12b056677136
1354a8cb9241
142a84556670
15173542d72c
hexd42dc4efa

56956309242 has 24 divisors (see below), whose sum is σ = 132510597696. Its totient is φ = 16273231128.

The previous prime is 56956309229. The next prime is 56956309247. The reversal of 56956309242 is 24290365965.

It is a super-2 number, since 2×569563092422 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56956309247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96864178 + ... + 96864765.

It is an arithmetic number, because the mean of its divisors is an integer number (5521274904).

Almost surely, 256956309242 is an apocalyptic number.

56956309242 is an abundant number, since it is smaller than the sum of its proper divisors (75554288454).

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

56956309242 is a wasteful number, since it uses less digits than its factorization.

56956309242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193728962 (or 193728955 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 51.

The spelling of 56956309242 in words is "fifty-six billion, nine hundred fifty-six million, three hundred nine thousand, two hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 193728943 387457886 581186829 1162373658 1356102601 2712205202 4068307803 8136615606 9492718207 18985436414 28478154621 56956309242