Base | Representation |
---|---|
bin | 111100100110001111… |
… | …1011100101011111101 |
3 | 110102220010221100222122 |
4 | 1321030133130223331 |
5 | 4113002334100021 |
6 | 135440523252325 |
7 | 12254541364532 |
oct | 1711437345375 |
9 | 412803840878 |
10 | 130132331261 |
11 | 50209343609 |
12 | 2127907a0a5 |
13 | c36b42845a |
14 | 6426cb4d89 |
15 | 35b97a2bab |
hex | 1e4c7dcafd |
130132331261 has 2 divisors, whose sum is σ = 130132331262. Its totient is φ = 130132331260.
The previous prime is 130132331257. The next prime is 130132331317. The reversal of 130132331261 is 162133231031.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 128876692036 + 1255639225 = 358994^2 + 35435^2 .
It is a cyclic number.
It is not a de Polignac number, because 130132331261 - 22 = 130132331257 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 130132331261.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (130132531261) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65066165630 + 65066165631.
It is an arithmetic number, because the mean of its divisors is an integer number (65066165631).
Almost surely, 2130132331261 is an apocalyptic number.
It is an amenable number.
130132331261 is a deficient number, since it is larger than the sum of its proper divisors (1).
130132331261 is an equidigital number, since it uses as much as digits as its factorization.
130132331261 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1944, while the sum is 26.
Adding to 130132331261 its reverse (162133231031), we get a palindrome (292265562292).
The spelling of 130132331261 in words is "one hundred thirty billion, one hundred thirty-two million, three hundred thirty-one thousand, two hundred sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •