Base | Representation |
---|---|
bin | 11000011101100101… |
… | …11010101001001101 |
3 | 1020220021022010220222 |
4 | 30032302322221031 |
5 | 203344040132232 |
6 | 10011104321125 |
7 | 643310523446 |
oct | 141662725115 |
9 | 36807263828 |
10 | 13133130317 |
11 | 562a34520a |
12 | 26663131a5 |
13 | 1313b45238 |
14 | 8c83022cd |
15 | 51ce9cd12 |
hex | 30ecbaa4d |
13133130317 has 2 divisors, whose sum is σ = 13133130318. Its totient is φ = 13133130316.
The previous prime is 13133130301. The next prime is 13133130331. The reversal of 13133130317 is 71303133131.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 12754088356 + 379041961 = 112934^2 + 19469^2 .
It is a cyclic number.
It is not a de Polignac number, because 13133130317 - 24 = 13133130301 is a prime.
It is a super-2 number, since 2×131331303172 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13133130337) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6566565158 + 6566565159.
It is an arithmetic number, because the mean of its divisors is an integer number (6566565159).
Almost surely, 213133130317 is an apocalyptic number.
It is an amenable number.
13133130317 is a deficient number, since it is larger than the sum of its proper divisors (1).
13133130317 is an equidigital number, since it uses as much as digits as its factorization.
13133130317 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1701, while the sum is 26.
Adding to 13133130317 its reverse (71303133131), we get a palindrome (84436263448).
The spelling of 13133130317 in words is "thirteen billion, one hundred thirty-three million, one hundred thirty thousand, three hundred seventeen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •