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13731377025 = 352183085027
BaseRepresentation
bin11001100100111010…
…00010111110000001
31022102222000020010110
430302131002332001
5211110213031100
610150315021533
7664163531112
oct146235027601
938388006113
1013731377025
115907005883
1227b273a8a9
1313aaa78a82
14943950209
15555771250
hex332742f81

13731377025 has 12 divisors (see below), whose sum is σ = 22702543472. Its totient is φ = 7323401040.

The previous prime is 13731376987. The next prime is 13731377047. The reversal of 13731377025 is 52077313731.

It is not a de Polignac number, because 13731377025 - 26 = 13731376961 is a prime.

It is a Duffinian 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, 91542439 + ... + 91542588.

Almost surely, 213731377025 is an apocalyptic number.

13731377025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13731377025 is a deficient number, since it is larger than the sum of its proper divisors (8971166447).

13731377025 is a wasteful number, since it uses less digits than its factorization.

13731377025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183085040 (or 183085035 counting only the distinct ones).

The product of its (nonzero) digits is 92610, while the sum is 39.

The spelling of 13731377025 in words is "thirteen billion, seven hundred thirty-one million, three hundred seventy-seven thousand, twenty-five".

Divisors: 1 3 5 15 25 75 183085027 549255081 915425135 2746275405 4577125675 13731377025