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55681102651 = 971337117011
BaseRepresentation
bin110011110110110110…
…100011001100111011
312022201111211002101011
4303312312203030323
51403013330241101
641325103134351
74010554364146
oct636666431473
9168644732334
1055681102651
1121683592609
12a95b5a43b7
135334a52425
1429a304b05d
1516ad4d9751
hexcf6da333b

55681102651 has 8 divisors (see below), whose sum is σ = 55758259008. Its totient is φ = 55603989000.

The previous prime is 55681102639. The next prime is 55681102699. The reversal of 55681102651 is 15620118655.

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

It is a cyclic number.

It is not a de Polignac number, because 55681102651 - 231 = 53533619003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55681102951) 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, 3264736 + ... + 3281746.

It is an arithmetic number, because the mean of its divisors is an integer number (6969782376).

Almost surely, 255681102651 is an apocalyptic number.

55681102651 is a deficient number, since it is larger than the sum of its proper divisors (77156357).

55681102651 is a wasteful number, since it uses less digits than its factorization.

55681102651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21353.

The product of its (nonzero) digits is 72000, while the sum is 40.

The spelling of 55681102651 in words is "fifty-five billion, six hundred eighty-one million, one hundred two thousand, six hundred fifty-one".

Divisors: 1 971 3371 17011 3273241 16517681 57344081 55681102651