Base | Representation |
---|---|
bin | 100100001000110001… |
… | …101111111110000011 |
3 | 10201011011202001100021 |
4 | 210020301233332003 |
5 | 1113431300334211 |
6 | 25454140434311 |
7 | 2542356155122 |
oct | 441061577603 |
9 | 121134661307 |
10 | 38801964931 |
11 | 15501774614 |
12 | 762a848997 |
13 | 3874ac8582 |
14 | 1c4142dab9 |
15 | 1021738771 |
hex | 908c6ff83 |
38801964931 has 2 divisors, whose sum is σ = 38801964932. Its totient is φ = 38801964930.
The previous prime is 38801964869. The next prime is 38801964961. The reversal of 38801964931 is 13946910883.
It is a happy number.
38801964931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 38801964931 - 215 = 38801932163 is a prime.
It is a super-2 number, since 2×388019649312 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (38801964961) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19400982465 + 19400982466.
It is an arithmetic number, because the mean of its divisors is an integer number (19400982466).
Almost surely, 238801964931 is an apocalyptic number.
38801964931 is a deficient number, since it is larger than the sum of its proper divisors (1).
38801964931 is an equidigital number, since it uses as much as digits as its factorization.
38801964931 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1119744, while the sum is 52.
The spelling of 38801964931 in words is "thirty-eight billion, eight hundred one million, nine hundred sixty-four thousand, nine hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.090 sec. • engine limits •