Base | Representation |
---|---|
bin | 10110100000001100… |
… | …10100101110101100 |
3 | 1011011222000020220122 |
4 | 23100012110232230 |
5 | 144220300101132 |
6 | 5314451104112 |
7 | 605245646543 |
oct | 132006245654 |
9 | 34158006818 |
10 | 12081253292 |
11 | 513a609459 |
12 | 2411ba2038 |
13 | 11a6c434b4 |
14 | 82872d15a |
15 | 4aa970912 |
hex | 2d0194bac |
12081253292 has 12 divisors (see below), whose sum is σ = 21143043600. Its totient is φ = 6040383696.
The previous prime is 12081253273. The next prime is 12081253343. The reversal of 12081253292 is 29235218021.
It is a super-2 number, since 2×120812532922 (a number of 21 digits) contains 22 as substring.
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, 96209 + ... + 182807.
It is an arithmetic number, because the mean of its divisors is an integer number (1761920300).
Almost surely, 212081253292 is an apocalyptic number.
It is an amenable number.
12081253292 is a deficient number, since it is larger than the sum of its proper divisors (9061790308).
12081253292 is a wasteful number, since it uses less digits than its factorization.
12081253292 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 121480 (or 121478 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 35.
The spelling of 12081253292 in words is "twelve billion, eighty-one million, two hundred fifty-three thousand, two hundred ninety-two".
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