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56155464005 = 556731197971
BaseRepresentation
bin110100010011001000…
…000110000101000101
312100221120102010211012
4310103020012011011
51410001244322010
641444130252005
74025404365644
oct642310060505
9170846363735
1056155464005
11218a7328293
12aa72427005
1353ac0cb714
142a0a04b35b
1516d9e8b005
hexd13206145

56155464005 has 8 divisors (see below), whose sum is σ = 67388085024. Its totient is φ = 44923352400.

The previous prime is 56155463981. The next prime is 56155464031. The reversal of 56155464005 is 50046455165.

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

It is not a de Polignac number, because 56155464005 - 210 = 56155462981 is a prime.

It is a super-2 number, since 2×561554640052 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184670 + ... + 382640.

It is an arithmetic number, because the mean of its divisors is an integer number (8423510628).

Almost surely, 256155464005 is an apocalyptic number.

It is an amenable number.

56155464005 is a deficient number, since it is larger than the sum of its proper divisors (11232621019).

56155464005 is a wasteful number, since it uses less digits than its factorization.

56155464005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254707.

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 56155464005 in words is "fifty-six billion, one hundred fifty-five million, four hundred sixty-four thousand, five".

Divisors: 1 5 56731 197971 283655 989855 11231092801 56155464005