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15655056164 = 2211355796731
BaseRepresentation
bin11101001010001110…
…10011001100100100
31111102000202020210222
432211013103030210
5224030143244124
611105234103512
71062642532106
oct164507231444
944360666728
1015655056164
116703964450
12304aa1ab98
131626480557
14a8721d576
156195aa25e
hex3a51d3324

15655056164 has 12 divisors (see below), whose sum is σ = 29886925488. Its totient is φ = 7115934600.

The previous prime is 15655056161. The next prime is 15655056187. The reversal of 15655056164 is 46165055651.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 355796731 = 15655056164 / (1 + 5 + 6 + 5 + 5 + 0 + 5 + 6 + 1 + 6 + 4).

It is not an unprimeable number, because it can be changed into a prime (15655056161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177898322 + ... + 177898409.

It is an arithmetic number, because the mean of its divisors is an integer number (2490577124).

Almost surely, 215655056164 is an apocalyptic number.

It is an amenable number.

15655056164 is a deficient number, since it is larger than the sum of its proper divisors (14231869324).

15655056164 is a wasteful number, since it uses less digits than its factorization.

15655056164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355796746 (or 355796744 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 44.

The spelling of 15655056164 in words is "fifteen billion, six hundred fifty-five million, fifty-six thousand, one hundred sixty-four".

Divisors: 1 2 4 11 22 44 355796731 711593462 1423186924 3913764041 7827528082 15655056164