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56298709870 = 2513617099459
BaseRepresentation
bin110100011011101010…
…100010001101101110
312101022112221210012121
4310123222202031232
51410244432203440
641510244423154
74032064065244
oct643352421556
9171275853177
1056298709870
1121970176aa7
12aab23a7aba
1354029a42a0
142a21098794
1516e783434a
hexd1baa236e

56298709870 has 32 divisors (see below), whose sum is σ = 110921963040. Its totient is φ = 20446439040.

The previous prime is 56298709853. The next prime is 56298709871. The reversal of 56298709870 is 7890789265.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a junction number, because it is equal to n+sod(n) for n = 56298709799 and 56298709808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56298709871) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3541800 + ... + 3557659.

It is an arithmetic number, because the mean of its divisors is an integer number (3466311345).

Almost surely, 256298709870 is an apocalyptic number.

56298709870 is a deficient number, since it is larger than the sum of its proper divisors (54623253170).

56298709870 is a wasteful number, since it uses less digits than its factorization.

56298709870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7099540.

The product of its (nonzero) digits is 15240960, while the sum is 61.

The spelling of 56298709870 in words is "fifty-six billion, two hundred ninety-eight million, seven hundred nine thousand, eight hundred seventy".

Divisors: 1 2 5 10 13 26 61 65 122 130 305 610 793 1586 3965 7930 7099459 14198918 35497295 70994590 92292967 184585934 433066999 461464835 866133998 922929670 2165334995 4330669990 5629870987 11259741974 28149354935 56298709870