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12729318848 = 261571266851
BaseRepresentation
bin10111101101011100…
…11111110111000000
31012212010110101201122
423312232133313000
5202032201200343
65503041251412
7630305265521
oct136656376700
935763411648
1012729318848
115442406724
122573033b68
13127b29ab3c
1488a828848
154e77d5068
hex2f6b9fdc0

12729318848 has 28 divisors (see below), whose sum is σ = 25420652232. Its totient is φ = 6324115200.

The previous prime is 12729318829. The next prime is 12729318883. The reversal of 12729318848 is 84881392721.

It is a self number, because there is not a number n which added to its sum of digits gives 12729318848.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623378 + ... + 643473.

Almost surely, 212729318848 is an apocalyptic number.

It is an amenable number.

12729318848 is a deficient number, since it is larger than the sum of its proper divisors (12691333384).

12729318848 is a wasteful number, since it uses less digits than its factorization.

12729318848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267020 (or 1267010 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 53.

The spelling of 12729318848 in words is "twelve billion, seven hundred twenty-nine million, three hundred eighteen thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 16 32 64 157 314 628 1256 2512 5024 10048 1266851 2533702 5067404 10134808 20269616 40539232 81078464 198895607 397791214 795582428 1591164856 3182329712 6364659424 12729318848