Base | Representation |
---|---|
bin | 10111100111011010… |
… | …10010011010110000 |
3 | 1012201121011011120101 |
4 | 23303231102122300 |
5 | 201431214420000 |
6 | 5454031522144 |
7 | 626121626323 |
oct | 136355223260 |
9 | 35647134511 |
10 | 12678670000 |
11 | 5416862477 |
12 | 255a089354 |
13 | 12709462c9 |
14 | 883c027ba |
15 | 4e312ce6a |
hex | 2f3b526b0 |
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".
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