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12678670000 = 245411231129
BaseRepresentation
bin10111100111011010…
…10010011010110000
31012201121011011120101
423303231102122300
5201431214420000
65454031522144
7626121626323
oct136355223260
935647134511
1012678670000
115416862477
12255a089354
1312709462c9
14883c027ba
154e312ce6a
hex2f3b526b0

12678670000 has 100 divisors (see below), whose sum is σ = 30750875320. Its totient is φ = 5062464000.

The previous prime is 12678669929. The next prime is 12678670019. The reversal of 12678670000 is 7687621.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (100).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11229436 + ... + 11230564.

Almost surely, 212678670000 is an apocalyptic number.

12678670000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12678670000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15375437660).

12678670000 is an abundant number, since it is smaller than the sum of its proper divisors (18072205320).

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

12678670000 is a wasteful number, since it uses less digits than its factorization.

12678670000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280 (or 2259 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The spelling of 12678670000 in words is "twelve billion, six hundred seventy-eight million, six hundred seventy thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1123 1129 1250 2000 2246 2258 2500 4492 4516 5000 5615 5645 8984 9032 10000 11230 11290 17968 18064 22460 22580 28075 28225 44920 45160 56150 56450 89840 90320 112300 112900 140375 141125 224600 225800 280750 282250 449200 451600 561500 564500 701875 705625 1123000 1129000 1267867 1403750 1411250 2246000 2258000 2535734 2807500 2822500 5071468 5615000 5645000 6339335 10142936 11230000 11290000 12678670 20285872 25357340 31696675 50714680 63393350 101429360 126786700 158483375 253573400 316966750 507146800 633933500 792416875 1267867000 1584833750 2535734000 3169667500 6339335000 12678670000