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15125275139 = 1317432715817
BaseRepresentation
bin11100001011000100…
…10110001000000011
31110001002212120212112
432011202112020003
5221434032301024
610540511045535
71043550501032
oct160542261003
943032776775
1015125275139
116461907097
122b215108ab
13157079c060
14a36b14719
155d7d0d00e
hex385896203

15125275139 has 16 divisors (see below), whose sum is σ = 17251996608. Its totient is φ = 13136643072.

The previous prime is 15125275117. The next prime is 15125275159. The reversal of 15125275139 is 93157252151.

It is a cyclic number.

It is not a de Polignac number, because 15125275139 - 220 = 15124226563 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15125275096 and 15125275105.

It is not an unprimeable number, because it can be changed into a prime (15125275159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 948359 + ... + 964175.

It is an arithmetic number, because the mean of its divisors is an integer number (1078249788).

Almost surely, 215125275139 is an apocalyptic number.

15125275139 is a deficient number, since it is larger than the sum of its proper divisors (2126721469).

15125275139 is a wasteful number, since it uses less digits than its factorization.

15125275139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20174.

The product of its digits is 94500, while the sum is 41.

The spelling of 15125275139 in words is "fifteen billion, one hundred twenty-five million, two hundred seventy-five thousand, one hundred thirty-nine".

Divisors: 1 13 17 221 4327 15817 56251 73559 205621 268889 956267 3495557 68440159 889722067 1163482703 15125275139