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13256938754 = 237235913487
BaseRepresentation
bin11000101100010110…
…01101010100000010
31021012220021021011122
430112023031110002
5204122234020004
610031250112242
7646343056133
oct142613152402
937186237148
1013256938754
115693218334
12269b87b682
1313336a3777
148da92dc8a
15528ca6cbe
hex3162cd502

13256938754 has 24 divisors (see below), whose sum is σ = 20495825280. Its totient is φ = 6430880016.

The previous prime is 13256938753. The next prime is 13256938771. The reversal of 13256938754 is 45783965231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13256938696 and 13256938705.

It is not an unprimeable number, because it can be changed into a prime (13256938753) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 976199 + ... + 989685.

It is an arithmetic number, because the mean of its divisors is an integer number (853992720).

Almost surely, 213256938754 is an apocalyptic number.

13256938754 is a deficient number, since it is larger than the sum of its proper divisors (7238886526).

13256938754 is a wasteful number, since it uses less digits than its factorization.

13256938754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13922 (or 13885 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 53.

The spelling of 13256938754 in words is "thirteen billion, two hundred fifty-six million, nine hundred thirty-eight thousand, seven hundred fifty-four".

Divisors: 1 2 37 74 359 718 1369 2738 13283 13487 26566 26974 491471 499019 982942 998038 4841833 9683666 18463703 36927406 179147821 358295642 6628469377 13256938754