Base | Representation |
---|---|
bin | 11000001100010011… |
… | …11001000110111100 |
3 | 1020112011111210211120 |
4 | 30012021321012330 |
5 | 203044432032041 |
6 | 5544445150540 |
7 | 636600345003 |
oct | 140611710674 |
9 | 36464453746 |
10 | 12988158396 |
11 | 5565527704 |
12 | 262585b450 |
13 | 12bcab6b35 |
14 | 8b2d65c3a |
15 | 5103b3366 |
hex | 3062791bc |
12988158396 has 96 divisors (see below), whose sum is σ = 33132960000. Its totient is φ = 3945604608.
The previous prime is 12988158353. The next prime is 12988158487. The reversal of 12988158396 is 69385188921.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 742155 + ... + 759453.
It is an arithmetic number, because the mean of its divisors is an integer number (345135000).
Almost surely, 212988158396 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12988158396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16566480000).
12988158396 is an abundant number, since it is smaller than the sum of its proper divisors (20144801604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12988158396 is a wasteful number, since it uses less digits than its factorization.
12988158396 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17451 (or 17449 counting only the distinct ones).
The product of its digits is 7464960, while the sum is 60.
The spelling of 12988158396 in words is "twelve billion, nine hundred eighty-eight million, one hundred fifty-eight thousand, three hundred ninety-six".
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