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15055550105 = 523565323159
BaseRepresentation
bin11100000010110000…
…10111011010011001
31102212020200012002212
432001120113122121
5221313210100410
610525540404505
71042043031041
oct160130273231
942766605085
1015055550105
1164265136a2
122b020a6735
13155c1c873b
14a2b764721
155d1b38b05
hex381617699

15055550105 has 16 divisors (see below), whose sum is σ = 18856316160. Its totient is φ = 11518233408.

The previous prime is 15055550093. The next prime is 15055550131. The reversal of 15055550105 is 50105555051.

It is a cyclic number.

It is not a de Polignac number, because 15055550105 - 216 = 15055484569 is a prime.

It is a super-2 number, since 2×150555501052 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 638516 + ... + 661674.

It is an arithmetic number, because the mean of its divisors is an integer number (1178519760).

Almost surely, 215055550105 is an apocalyptic number.

It is an amenable number.

15055550105 is a deficient number, since it is larger than the sum of its proper divisors (3800766055).

15055550105 is a wasteful number, since it uses less digits than its factorization.

15055550105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28840.

The product of its (nonzero) digits is 15625, while the sum is 32.

The spelling of 15055550105 in words is "fifteen billion, fifty-five million, five hundred fifty thousand, one hundred five".

Divisors: 1 5 23 115 5653 23159 28265 115795 130019 532657 650095 2663285 130917827 654589135 3011110021 15055550105