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12634260215 = 543157374293
BaseRepresentation
bin10111100010000111…
…11000001011110111
31012121111120220210112
423301003320023313
5201333332311330
65445404013235
7625042303613
oct136103701367
935544526715
1012634260215
1153a378a775
12254723121b
131264697525
1487bd62343
154de2a9795
hex2f10f82f7

12634260215 has 16 divisors (see below), whose sum is σ = 15612551328. Its totient is φ = 9809444736.

The previous prime is 12634260193. The next prime is 12634260227. The reversal of 12634260215 is 51206243621.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12634260215 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 153392 + ... + 220901.

It is an arithmetic number, because the mean of its divisors is an integer number (975784458).

Almost surely, 212634260215 is an apocalyptic number.

12634260215 is a deficient number, since it is larger than the sum of its proper divisors (2978291113).

12634260215 is a wasteful number, since it uses less digits than its factorization.

12634260215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374498.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 12634260215 in words is "twelve billion, six hundred thirty-four million, two hundred sixty thousand, two hundred fifteen".

Divisors: 1 5 43 157 215 785 6751 33755 374293 1871465 16094599 58764001 80472995 293820005 2526852043 12634260215