Base | Representation |
---|---|
bin | 10110100000000111… |
… | …00110001000000000 |
3 | 1011011220122220212111 |
4 | 23100003212020000 |
5 | 144220104204422 |
6 | 5314423505104 |
7 | 605236610506 |
oct | 132003461000 |
9 | 34156586774 |
10 | 12080538112 |
11 | 513a1700a5 |
12 | 24118b8194 |
13 | 11a6a52b06 |
14 | 8285c4676 |
15 | 4aa87da77 |
hex | 2d00e6200 |
12080538112 has 40 divisors (see below), whose sum is σ = 24196916700. Its totient is φ = 6025396224.
The previous prime is 12080538103. The next prime is 12080538131. The reversal of 12080538112 is 21183508021.
It can be written as a sum of positive squares in 2 ways, for example, as 12050770176 + 29767936 = 109776^2 + 5456^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180564 + ... + 238252.
Almost surely, 212080538112 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 12080538112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12098458350).
12080538112 is an abundant number, since it is smaller than the sum of its proper divisors (12116378588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12080538112 is an frugal number, since it uses more digits than its factorization.
12080538112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58116 (or 58100 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 31.
The spelling of 12080538112 in words is "twelve billion, eighty million, five hundred thirty-eight thousand, one hundred twelve".
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