Base | Representation |
---|---|
bin | 10111001010110100… |
… | …11000011101101001 |
3 | 1012002212212012001120 |
4 | 23211122120131221 |
5 | 200433320124001 |
6 | 5414143205453 |
7 | 620150223150 |
oct | 134532303551 |
9 | 35085765046 |
10 | 12438833001 |
11 | 5303440381 |
12 | 24b18a6889 |
13 | 123305171a |
14 | 860010597 |
15 | 4cc055236 |
hex | 2e5698769 |
12438833001 has 32 divisors (see below), whose sum is σ = 19266766848. Its totient is φ = 6991246080.
The previous prime is 12438832963. The next prime is 12438833023. The reversal of 12438833001 is 10033883421.
It is not a de Polignac number, because 12438833001 - 29 = 12438832489 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12438833051) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 635970 + ... + 655236.
It is an arithmetic number, because the mean of its divisors is an integer number (602086464).
Almost surely, 212438833001 is an apocalyptic number.
It is an amenable number.
12438833001 is a deficient number, since it is larger than the sum of its proper divisors (6827933847).
12438833001 is a wasteful number, since it uses less digits than its factorization.
12438833001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19781.
The product of its (nonzero) digits is 13824, while the sum is 33.
The spelling of 12438833001 in words is "twelve billion, four hundred thirty-eight million, eight hundred thirty-three thousand, one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.120 sec. • engine limits •