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13312606540 = 2252367431947
BaseRepresentation
bin11000110010111111…
…00100000101001100
31021100210000111000111
430121133210011030
5204231011402130
610040555205404
7650620200652
oct143137440514
937323014014
1013312606540
11571168a372
1226b6446864
13134209489c
149040a0dd2
1552db0102a
hex3197e414c

13312606540 has 48 divisors (see below), whose sum is σ = 29607443712. Its totient is φ = 5017484736.

The previous prime is 13312606499. The next prime is 13312606589. The reversal of 13312606540 is 4560621331.

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, 185154 + ... + 246793.

It is an arithmetic number, because the mean of its divisors is an integer number (616821744).

Almost surely, 213312606540 is an apocalyptic number.

13312606540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13312606540 is an abundant number, since it is smaller than the sum of its proper divisors (16294837172).

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

13312606540 is a wasteful number, since it uses less digits than its factorization.

13312606540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432046 (or 432044 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 13312606540 in words is "thirteen billion, three hundred twelve million, six hundred six thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 23 46 67 92 115 134 230 268 335 460 670 1340 1541 3082 6164 7705 15410 30820 431947 863894 1727788 2159735 4319470 8638940 9934781 19869562 28940449 39739124 49673905 57880898 99347810 115761796 144702245 198695620 289404490 578808980 665630327 1331260654 2662521308 3328151635 6656303270 13312606540