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15132955357 = 131164073489
BaseRepresentation
bin11100001011111111…
…01001001011011101
31110001122022210011001
432011333221023131
5221443014032412
610541343430301
71044002666242
oct160577511335
943048283131
1015132955357
116466182383
122b23bb5391
13157225aa70
14a37b535c9
155d8828957
hex385fe92dd

15132955357 has 4 divisors (see below), whose sum is σ = 16297028860. Its totient is φ = 13968881856.

The previous prime is 15132955349. The next prime is 15132955429. The reversal of 15132955357 is 75355923151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75355923151 = 163462306277.

It can be written as a sum of positive squares in 2 ways, for example, as 9917371396 + 5215583961 = 99586^2 + 72219^2 .

It is a cyclic number.

It is not a de Polignac number, because 15132955357 - 23 = 15132955349 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 (15132955307) 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, 582036732 + ... + 582036757.

It is an arithmetic number, because the mean of its divisors is an integer number (4074257215).

Almost surely, 215132955357 is an apocalyptic number.

It is an amenable number.

15132955357 is a deficient number, since it is larger than the sum of its proper divisors (1164073503).

15132955357 is a wasteful number, since it uses less digits than its factorization.

15132955357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164073502.

The product of its digits is 708750, while the sum is 46.

The spelling of 15132955357 in words is "fifteen billion, one hundred thirty-two million, nine hundred fifty-five thousand, three hundred fifty-seven".

Divisors: 1 13 1164073489 15132955357