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23442732137 = 1159307117659
BaseRepresentation
bin10101110101010010…
…111011010001101001
32020111202122011220102
4111311102323101221
5341002314412022
614434111035145
71456634635556
oct256522732151
966452564812
1023442732137
119a3a8a16a0
124662b0bab5
132297a12a46
1411c5617a2d
15923114a92
hex5754bb469

23442732137 has 16 divisors (see below), whose sum is σ = 26092281600. Its totient is φ = 20881941840.

The previous prime is 23442732127. The next prime is 23442732143. The reversal of 23442732137 is 73123724432.

It is a cyclic number.

It is not a de Polignac number, because 23442732137 - 28 = 23442731881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23442732137.

It is not an unprimeable number, because it can be changed into a prime (23442732127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140414 + ... + 258072.

It is an arithmetic number, because the mean of its divisors is an integer number (1630767600).

Almost surely, 223442732137 is an apocalyptic number.

It is an amenable number.

23442732137 is a deficient number, since it is larger than the sum of its proper divisors (2649549463).

23442732137 is a wasteful number, since it uses less digits than its factorization.

23442732137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118036.

The product of its digits is 169344, while the sum is 38.

The spelling of 23442732137 in words is "twenty-three billion, four hundred forty-two million, seven hundred thirty-two thousand, one hundred thirty-seven".

Divisors: 1 11 59 307 649 3377 18113 117659 199243 1294249 6941881 36121313 76360691 397334443 2131157467 23442732137