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56282815660 = 2253776057859
BaseRepresentation
bin110100011010101101…
…111001110010101100
312101021110001021110011
4310122231321302230
51410231400100120
641504520023004
74031512016401
oct643255716254
9171243037404
1056282815660
1121962200495
12aaa9001a64
1353cc5ca926
142a1cd1c2a8
1516e6244c5a
hexd1ab79cac

56282815660 has 24 divisors (see below), whose sum is σ = 121388344560. Its totient is φ = 21904663104.

The previous prime is 56282815657. The next prime is 56282815703. The reversal of 56282815660 is 6651828265.

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, 38028190 + ... + 38029669.

It is an arithmetic number, because the mean of its divisors is an integer number (5057847690).

Almost surely, 256282815660 is an apocalyptic number.

It is an amenable number.

56282815660 is an abundant number, since it is smaller than the sum of its proper divisors (65105528900).

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

56282815660 is a wasteful number, since it uses less digits than its factorization.

56282815660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76057905 (or 76057903 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 49.

The spelling of 56282815660 in words is "fifty-six billion, two hundred eighty-two million, eight hundred fifteen thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 76057859 152115718 304231436 380289295 760578590 1521157180 2814140783 5628281566 11256563132 14070703915 28141407830 56282815660