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15112140325 = 523716337449
BaseRepresentation
bin11100001001100000…
…01111011000100101
31110000012011021021221
432010300033120211
5221422201442300
610535321340341
71043331034102
oct160460173045
943005137257
1015112140325
116455455777
122b190376b1
13156ab50689
14a35095aa9
155d6ab631a
hex384c0f625

15112140325 has 12 divisors (see below), whose sum is σ = 19245516100. Its totient is φ = 11762962560.

The previous prime is 15112140313. The next prime is 15112140359. The reversal of 15112140325 is 52304121151.

It can be written as a sum of positive squares in 6 ways, for example, as 631868769 + 14480271556 = 25137^2 + 120334^2 .

It is not a de Polignac number, because 15112140325 - 211 = 15112138277 is a prime.

It is a super-2 number, since 2×151121403252 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 15112140325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8167800 + ... + 8169649.

Almost surely, 215112140325 is an apocalyptic number.

It is an amenable number.

15112140325 is a deficient number, since it is larger than the sum of its proper divisors (4133375775).

15112140325 is a wasteful number, since it uses less digits than its factorization.

15112140325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16337496 (or 16337491 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 15112140325 its reverse (52304121151), we get a palindrome (67416261476).

The spelling of 15112140325 in words is "fifteen billion, one hundred twelve million, one hundred forty thousand, three hundred twenty-five".

Divisors: 1 5 25 37 185 925 16337449 81687245 408436225 604485613 3022428065 15112140325