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56580130247 = 90762381621
BaseRepresentation
bin110100101100011100…
…000100010111000111
312102001011111102101112
4310230130010113013
51411334003131442
641554220315235
74042052112644
oct645434042707
9172034442345
1056580130247
1121aa5010323
12ab706a2b1b
135449098314
142a4a5d2dcb
1517123c3082
hexd2c7045c7

56580130247 has 4 divisors (see below), whose sum is σ = 56642512776. Its totient is φ = 56517747720.

The previous prime is 56580130237. The next prime is 56580130291. The reversal of 56580130247 is 74203108565.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56580130247 - 216 = 56580064711 is a prime.

It is a super-2 number, since 2×565801302472 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56580130207) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 31189904 + ... + 31191717.

It is an arithmetic number, because the mean of its divisors is an integer number (14160628194).

Almost surely, 256580130247 is an apocalyptic number.

56580130247 is a deficient number, since it is larger than the sum of its proper divisors (62382529).

56580130247 is an equidigital number, since it uses as much as digits as its factorization.

56580130247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62382528.

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 56580130247 in words is "fifty-six billion, five hundred eighty million, one hundred thirty thousand, two hundred forty-seven".

Divisors: 1 907 62381621 56580130247