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13256612130 = 2352931508147
BaseRepresentation
bin11000101100010011…
…11101100100100010
31021012212122200010110
430112021331210202
5204122143042010
610031235112150
7646340225646
oct142611754442
937185580113
1013256612130
1156930149a3
12269b742656
1313335babb8
148da886c26
15528c40120
hex31627d922

13256612130 has 32 divisors (see below), whose sum is σ = 31924476864. Its totient is φ = 3523029056.

The previous prime is 13256612107. The next prime is 13256612141. The reversal of 13256612130 is 3121665231.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 745284 + ... + 762863.

It is an arithmetic number, because the mean of its divisors is an integer number (997639902).

Almost surely, 213256612130 is an apocalyptic number.

13256612130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13256612130 is an abundant number, since it is smaller than the sum of its proper divisors (18667864734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13256612130 is a wasteful number, since it uses less digits than its factorization.

13256612130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508450.

The product of its (nonzero) digits is 6480, while the sum is 30.

The spelling of 13256612130 in words is "thirteen billion, two hundred fifty-six million, six hundred twelve thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 293 586 879 1465 1758 2930 4395 8790 1508147 3016294 4524441 7540735 9048882 15081470 22622205 45244410 441887071 883774142 1325661213 2209435355 2651322426 4418870710 6628306065 13256612130