Base | Representation |
---|---|
bin | 10110100000001001… |
… | …10101001000100100 |
3 | 1011011221021100210102 |
4 | 23100010311020210 |
5 | 144220200033412 |
6 | 5314434443232 |
7 | 605242426142 |
oct | 132004651044 |
9 | 34157240712 |
10 | 12080861732 |
11 | 513a371255 |
12 | 2411a33518 |
13 | 11a6b371c4 |
14 | 82866a592 |
15 | 4aa8e48c2 |
hex | 2d0135224 |
12080861732 has 12 divisors (see below), whose sum is σ = 22254219120. Its totient is φ = 5722513416.
The previous prime is 12080861729. The next prime is 12080861747. The reversal of 12080861732 is 23716808021.
It is a Harshad number since it is a multiple of its sum of digits (38).
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, 79479278 + ... + 79479429.
It is an arithmetic number, because the mean of its divisors is an integer number (1854518260).
Almost surely, 212080861732 is an apocalyptic number.
It is an amenable number.
12080861732 is a deficient number, since it is larger than the sum of its proper divisors (10173357388).
12080861732 is a wasteful number, since it uses less digits than its factorization.
12080861732 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 158958730 (or 158958728 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 38.
The spelling of 12080861732 in words is "twelve billion, eighty million, eight hundred sixty-one thousand, seven hundred thirty-two".
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