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13272726285 = 3357313171297
BaseRepresentation
bin11000101110001110…
…11011101100001101
31021020222222100121000
430113013123230031
5204140304220120
610033012330513
7646624212000
oct142707335415
937228870530
1013272726285
1156a1120785
1226a5013a39
131336a406c0
148dca7d537
1552a374990
hex3171dbb0d

13272726285 has 256 divisors, whose sum is σ = 31401216000. Its totient is φ = 5267275776.

The previous prime is 13272726263. The next prime is 13272726287. The reversal of 13272726285 is 58262727231.

13272726285 is a `hidden beast` number, since 1 + 327 + 27 + 26 + 285 = 666.

It is not a de Polignac number, because 13272726285 - 220 = 13271677709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 13272726285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13272726287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 10232757 + ... + 10234053.

It is an arithmetic number, because the mean of its divisors is an integer number (122661000).

Almost surely, 213272726285 is an apocalyptic number.

13272726285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13272726285 is an abundant number, since it is smaller than the sum of its proper divisors (18128489715).

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

13272726285 is a wasteful number, since it uses less digits than its factorization.

13272726285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362 (or 1342 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The spelling of 13272726285 in words is "thirteen billion, two hundred seventy-two million, seven hundred twenty-six thousand, two hundred eighty-five".