Base | Representation |
---|---|
bin | 10111000110010011… |
… | …00101001010001100 |
3 | 1012000020102200021020 |
4 | 23203021211022030 |
5 | 200344110432444 |
6 | 5410305434140 |
7 | 616206455652 |
oct | 134311451214 |
9 | 35006380236 |
10 | 12400874124 |
11 | 5293a74301 |
12 | 24a103b950 |
13 | 1228220c52 |
14 | 858d6cdd2 |
15 | 4c8a58119 |
hex | 2e326528c |
12400874124 has 24 divisors (see below), whose sum is σ = 29331750000. Its totient is φ = 4076999424.
The previous prime is 12400874119. The next prime is 12400874149. The reversal of 12400874124 is 42147800421.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7077249 + ... + 7079000.
It is an arithmetic number, because the mean of its divisors is an integer number (1222156250).
Almost surely, 212400874124 is an apocalyptic number.
It is an amenable number.
12400874124 is an abundant number, since it is smaller than the sum of its proper divisors (16930875876).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12400874124 is a wasteful number, since it uses less digits than its factorization.
12400874124 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14156329 (or 14156327 counting only the distinct ones).
The product of its (nonzero) digits is 14336, while the sum is 33.
The spelling of 12400874124 in words is "twelve billion, four hundred million, eight hundred seventy-four thousand, one hundred twenty-four".
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