Base | Representation |
---|---|
bin | 10110100101001010… |
… | …00111100111001010 |
3 | 1011021212100010122112 |
4 | 23102211013213022 |
5 | 144311424133313 |
6 | 5322535222322 |
7 | 606262532543 |
oct | 132245074712 |
9 | 34255303575 |
10 | 12122880458 |
11 | 5161060577 |
12 | 2423b179a2 |
13 | 11b2759860 |
14 | 8300874ca |
15 | 4ae4448a8 |
hex | 2d29479ca |
12122880458 has 32 divisors (see below), whose sum is σ = 19661518800. Its totient is φ = 5572832256.
The previous prime is 12122880449. The next prime is 12122880461. The reversal of 12122880458 is 85408822121.
12122880458 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 8 ways, for example, as 155176849 + 11967703609 = 12457^2 + 109397^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10930808 + ... + 10931916.
Almost surely, 212122880458 is an apocalyptic number.
12122880458 is a deficient number, since it is larger than the sum of its proper divisors (7538638342).
12122880458 is a wasteful number, since it uses less digits than its factorization.
12122880458 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2426.
The product of its (nonzero) digits is 81920, while the sum is 41.
The spelling of 12122880458 in words is "twelve billion, one hundred twenty-two million, eight hundred eighty thousand, four hundred fifty-eight".
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