Base | Representation |
---|---|
bin | 10110100111101010… |
… | …10100000011000010 |
3 | 1011100022220012001000 |
4 | 23103311110003002 |
5 | 144332314343124 |
6 | 5325005552430 |
7 | 606636320523 |
oct | 132365240302 |
9 | 34308805030 |
10 | 12143902914 |
11 | 5171a0a000 |
12 | 242ab75716 |
13 | 11b6c0a490 |
14 | 832b9a84a |
15 | 4b11e86c9 |
hex | 2d3d540c2 |
12143902914 has 256 divisors, whose sum is σ = 32849349120. Its totient is φ = 3303590400.
The previous prime is 12143902853. The next prime is 12143902937. The reversal of 12143902914 is 41920934121.
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 38308684 + ... + 38309000.
It is an arithmetic number, because the mean of its divisors is an integer number (128317770).
Almost surely, 212143902914 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12143902914, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16424674560).
12143902914 is an abundant number, since it is smaller than the sum of its proper divisors (20705446206).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12143902914 is a wasteful number, since it uses less digits than its factorization.
12143902914 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 415 (or 387 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 36.
The spelling of 12143902914 in words is "twelve billion, one hundred forty-three million, nine hundred two thousand, nine hundred fourteen".
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