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12678670002 = 2315131874391
BaseRepresentation
bin10111100111011010…
…10010011010110010
31012201121011011120110
423303231102122302
5201431214420002
65454031522150
7626121626325
oct136355223262
935647134513
1012678670002
115416862479
12255a089356
1312709462cb
14883c027bc
154e312ce6c
hex2f3b526b2

12678670002 has 32 divisors (see below), whose sum is σ = 25539093504. Its totient is φ = 4195962000.

The previous prime is 12678669929. The next prime is 12678670019. The reversal of 12678670002 is 20007687621.

It is a super-2 number, since 2×126786700022 (a number of 21 digits) contains 22 as substring.

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, 2885227 + ... + 2889617.

It is an arithmetic number, because the mean of its divisors is an integer number (798096672).

Almost surely, 212678670002 is an apocalyptic number.

12678670002 is an abundant number, since it is smaller than the sum of its proper divisors (12860423502).

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

12678670002 is a wasteful number, since it uses less digits than its factorization.

12678670002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7734.

The product of its (nonzero) digits is 56448, while the sum is 39.

The spelling of 12678670002 in words is "twelve billion, six hundred seventy-eight million, six hundred seventy thousand, two".

Divisors: 1 2 3 6 151 302 453 906 3187 4391 6374 8782 9561 13173 19122 26346 481237 663041 962474 1326082 1443711 1989123 2887422 3978246 13994117 27988234 41982351 83964702 2113111667 4226223334 6339335001 12678670002