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15112710675049 = 134230032
BaseRepresentation
bin1101101111101011001111…
…0000000101101001101001
31222111202112210100220201211
43123322303300011221221
53440101312413100144
652050403342313121
73116600026133551
oct333726360055151
958452483326654
1015112710675049
1148a72a02089a9
121840b402887a1
138581791a0000
143a365daaa161
151b31b2700034
hexdbeb3c05a69

15112710675049 has 15 divisors (see below), whose sum is σ = 16372770903233. Its totient is φ = 13949588018184.

The previous prime is 15112710675047. The next prime is 15112710675067. The reversal of 15112710675049 is 94057601721151.

The square root of 15112710675049 is 3887507.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 7493123345449 + 7619587329600 = 2737357^2 + 2760360^2 .

It is not a de Polignac number, because 15112710675049 - 21 = 15112710675047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15112710674993 and 15112710675011.

It is not an unprimeable number, because it can be changed into a prime (15112710675047) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 656977182 + ... + 657000184.

Almost surely, 215112710675049 is an apocalyptic number.

15112710675049 is the 3887507-th square number.

15112710675049 is the 1943754-th centered octagonal number.

It is an amenable number.

15112710675049 is a deficient number, since it is larger than the sum of its proper divisors (1260060228184).

15112710675049 is an frugal number, since it uses more digits than its factorization.

15112710675049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46058 (or 23016 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 49.

Multiplying 15112710675049 by its sum of digits (49), we get a square (740522823077401 = 272125492).

The spelling of 15112710675049 in words is "fifteen trillion, one hundred twelve billion, seven hundred ten million, six hundred seventy-five thousand, forty-nine".

Divisors: 1 13 169 2197 23003 28561 299039 3887507 50537591 529138009 656988683 6878794117 89424323521 1162516205773 15112710675049