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56965256965 = 525145390643
BaseRepresentation
bin110101000011011001…
…001101011100000101
312110001000011212221001
4311003121031130011
51413131101210330
642100335053301
74054436460241
oct650331153405
9173030155831
1056965256965
1122182447771
12b059671231
1354aaaccb56
142a85805421
1517360e99ca
hexd4364d705

56965256965 has 8 divisors (see below), whose sum is σ = 68630653728. Its totient is φ = 45390642000.

The previous prime is 56965256947. The next prime is 56965256987.

56965256965 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-56965256965 is a prime.

It is a super-2 number, since 2×569652569652 (a number of 22 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56965256897 and 56965256906.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22694067 + ... + 22696576.

It is an arithmetic number, because the mean of its divisors is an integer number (8578831716).

Almost surely, 256965256965 is an apocalyptic number.

It is an amenable number.

56965256965 is a deficient number, since it is larger than the sum of its proper divisors (11665396763).

56965256965 is a wasteful number, since it uses less digits than its factorization.

56965256965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45390899.

The product of its digits is 131220000, while the sum is 64.

The spelling of 56965256965 in words is "fifty-six billion, nine hundred sixty-five million, two hundred fifty-six thousand, nine hundred sixty-five".

Divisors: 1 5 251 1255 45390643 226953215 11393051393 56965256965