Base | Representation |
---|---|
bin | 101101111100101001110… |
… | …0110000010010010010001 |
3 | 211100201010111220022200122 |
4 | 1123321103212002102101 |
5 | 1311431112111424011 |
6 | 21233023432400025 |
7 | 1221146460530264 |
oct | 133712346022221 |
9 | 24321114808618 |
10 | 6315004404881 |
11 | 20151a639a167 |
12 | 85ba82246015 |
13 | 36a66b8ba693 |
14 | 17b90d980cdb |
15 | ae403a2b3db |
hex | 5be53982491 |
6315004404881 has 2 divisors, whose sum is σ = 6315004404882. Its totient is φ = 6315004404880.
The previous prime is 6315004404851. The next prime is 6315004404913. The reversal of 6315004404881 is 1884044005136.
6315004404881 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 5788739760400 + 526264644481 = 2405980^2 + 725441^2 .
It is a cyclic number.
It is not a de Polignac number, because 6315004404881 - 234 = 6297824535697 is a prime.
It is a super-2 number, since 2×63150044048812 (a number of 26 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (6315004404851) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3157502202440 + 3157502202441.
It is an arithmetic number, because the mean of its divisors is an integer number (3157502202441).
Almost surely, 26315004404881 is an apocalyptic number.
It is an amenable number.
6315004404881 is a deficient number, since it is larger than the sum of its proper divisors (1).
6315004404881 is an equidigital number, since it uses as much as digits as its factorization.
6315004404881 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 368640, while the sum is 44.
The spelling of 6315004404881 in words is "six trillion, three hundred fifteen billion, four million, four hundred four thousand, eight hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •