Base | Representation |
---|---|
bin | 10111100100001110… |
… | …00100001001111001 |
3 | 1012122201201201211210 |
4 | 23302013010021321 |
5 | 201402334413024 |
6 | 5451233313333 |
7 | 625345100535 |
oct | 136207041171 |
9 | 35581651753 |
10 | 12651872889 |
11 | 540271a3a7 |
12 | 2551105849 |
13 | 1268223126 |
14 | 880428bc5 |
15 | 4e0ad8129 |
hex | 2f21c4279 |
12651872889 has 8 divisors (see below), whose sum is σ = 17861467680. Its totient is φ = 7938430016.
The previous prime is 12651872873. The next prime is 12651872917. The reversal of 12651872889 is 98827815621.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12651872889 - 24 = 12651872873 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12651872819) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124037919 + ... + 124038020.
It is an arithmetic number, because the mean of its divisors is an integer number (2232683460).
Almost surely, 212651872889 is an apocalyptic number.
It is an amenable number.
12651872889 is a deficient number, since it is larger than the sum of its proper divisors (5209594791).
12651872889 is a wasteful number, since it uses less digits than its factorization.
12651872889 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 248075959.
The product of its digits is 3870720, while the sum is 57.
The spelling of 12651872889 in words is "twelve billion, six hundred fifty-one million, eight hundred seventy-two thousand, eight hundred eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •