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56327440261 = 1916011851719
BaseRepresentation
bin110100011101011000…
…001000011110000101
312101101120000102220011
4310131120020132011
51410324311042021
641513152310221
74032563225311
oct643530103605
9171346012804
1056327440261
112198540a624
12aabbb42371
135408923411
142a24c16b41
1516ea10bde1
hexd1d608785

56327440261 has 8 divisors (see below), whose sum is σ = 59329108800. Its totient is φ = 53329478400.

The previous prime is 56327440201. The next prime is 56327440291. The reversal of 56327440261 is 16204472365.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56327440261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56327440201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 895441 + ... + 956278.

It is an arithmetic number, because the mean of its divisors is an integer number (7416138600).

Almost surely, 256327440261 is an apocalyptic number.

It is an amenable number.

56327440261 is a deficient number, since it is larger than the sum of its proper divisors (3001668539).

56327440261 is a wasteful number, since it uses less digits than its factorization.

56327440261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853339.

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 56327440261 in words is "fifty-six billion, three hundred twenty-seven million, four hundred forty thousand, two hundred sixty-one".

Divisors: 1 19 1601 30419 1851719 35182661 2964602119 56327440261