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12648666996 = 2233731539711
BaseRepresentation
bin10111100011110101…
…10101011101110100
31012122111200212012000
423301322311131310
5201401024320441
65451040455300
7625305616110
oct136172653564
935574625160
1012648666996
11540092a7a9
12255001a530
13126766cb54
1487dc32740
154e06a32b6
hex2f1eb5774

12648666996 has 96 divisors (see below), whose sum is σ = 38686556160. Its totient is φ = 3497320800.

The previous prime is 12648666991. The next prime is 12648667001. The reversal of 12648666996 is 69966684621.

It is an interprime number because it is at equal distance from previous prime (12648666991) and next prime (12648667001).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12648666991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 246420 + ... + 293291.

It is an arithmetic number, because the mean of its divisors is an integer number (402984960).

Almost surely, 212648666996 is an apocalyptic number.

It is an amenable number.

12648666996 is an abundant number, since it is smaller than the sum of its proper divisors (26037889164).

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

12648666996 is a wasteful number, since it uses less digits than its factorization.

12648666996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539762 (or 539754 counting only the distinct ones).

The product of its digits is 40310784, while the sum is 63.

The spelling of 12648666996 in words is "twelve billion, six hundred forty-eight million, six hundred sixty-six thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 31 36 42 54 62 63 84 93 108 124 126 186 189 217 252 279 372 378 434 558 651 756 837 868 1116 1302 1674 1953 2604 3348 3906 5859 7812 11718 23436 539711 1079422 1619133 2158844 3238266 3777977 4857399 6476532 7555954 9714798 11333931 14572197 15111908 16731041 19429596 22667862 29144394 33462082 34001793 45335724 50193123 58288788 66924164 68003586 100386246 102005379 117117287 136007172 150579369 200772492 204010758 234234574 301158738 351351861 408021516 451738107 468469148 602317476 702703722 903476214 1054055583 1405407444 1806952428 2108111166 3162166749 4216222332 6324333498 12648666996