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13713185144 = 2315161113063
BaseRepresentation
bin11001100010101111…
…01001100101111000
31022101200202222120002
430301113221211320
5211041033411034
610144425052132
7663553102421
oct146127514570
938350688502
1013713185144
1158a780aa6a
1227a8627048
1313a7079649
14941376648
15553d7ae7e
hex3315e9978

13713185144 has 16 divisors (see below), whose sum is σ = 25714145520. Its totient is φ = 6856079680.

The previous prime is 13713185131. The next prime is 13713185177. The reversal of 13713185144 is 44158131731.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13713185098 and 13713185107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64757 + ... + 177819.

It is an arithmetic number, because the mean of its divisors is an integer number (1607134095).

Almost surely, 213713185144 is an apocalyptic number.

It is an amenable number.

13713185144 is a deficient number, since it is larger than the sum of its proper divisors (12000960376).

13713185144 is a wasteful number, since it uses less digits than its factorization.

13713185144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128230 (or 128226 counting only the distinct ones).

The product of its digits is 40320, while the sum is 38.

The spelling of 13713185144 in words is "thirteen billion, seven hundred thirteen million, one hundred eighty-five thousand, one hundred forty-four".

Divisors: 1 2 4 8 15161 30322 60644 113063 121288 226126 452252 904504 1714148143 3428296286 6856592572 13713185144