Base | Representation |
---|---|
bin | 10110100000001001… |
… | …10101100011010110 |
3 | 1011011221021110010220 |
4 | 23100010311203112 |
5 | 144220200112241 |
6 | 5314434455210 |
7 | 605242434141 |
oct | 132004654326 |
9 | 34157243126 |
10 | 12080863446 |
11 | 513a372573 |
12 | 2411a34506 |
13 | 11a6b37c12 |
14 | 82866b058 |
15 | 4aa8e5166 |
hex | 2d01358d6 |
12080863446 has 32 divisors (see below), whose sum is σ = 24845280768. Its totient is φ = 3913776960.
The previous prime is 12080863441. The next prime is 12080863519. The reversal of 12080863446 is 64436808021.
It is a junction number, because it is equal to n+sod(n) for n = 12080863398 and 12080863407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12080863441) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28666 + ... + 158061.
It is an arithmetic number, because the mean of its divisors is an integer number (776415024).
Almost surely, 212080863446 is an apocalyptic number.
12080863446 is an abundant number, since it is smaller than the sum of its proper divisors (12764417322).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12080863446 is a wasteful number, since it uses less digits than its factorization.
12080863446 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 187036.
The product of its (nonzero) digits is 221184, while the sum is 42.
The spelling of 12080863446 in words is "twelve billion, eighty million, eight hundred sixty-three thousand, four hundred forty-six".
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