Base | Representation |
---|---|
bin | 111100100110001111… |
… | …1010101010111100001 |
3 | 110102220010212211212021 |
4 | 1321030133111113201 |
5 | 4113002332120111 |
6 | 135440522501441 |
7 | 12254541211243 |
oct | 1711437252741 |
9 | 412803784767 |
10 | 130132301281 |
11 | 50209323034 |
12 | 21279064881 |
13 | c36b417908 |
14 | 6426ca8093 |
15 | 35b9798d71 |
hex | 1e4c7d55e1 |
130132301281 has 2 divisors, whose sum is σ = 130132301282. Its totient is φ = 130132301280.
The previous prime is 130132301213. The next prime is 130132301287. The reversal of 130132301281 is 182103231031.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 129772857600 + 359443681 = 360240^2 + 18959^2 .
It is a cyclic number.
It is not a de Polignac number, because 130132301281 - 27 = 130132301153 is a prime.
It is a super-2 number, since 2×1301323012812 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (130132301287) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65066150640 + 65066150641.
It is an arithmetic number, because the mean of its divisors is an integer number (65066150641).
Almost surely, 2130132301281 is an apocalyptic number.
It is an amenable number.
130132301281 is a deficient number, since it is larger than the sum of its proper divisors (1).
130132301281 is an equidigital number, since it uses as much as digits as its factorization.
130132301281 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 864, while the sum is 25.
The spelling of 130132301281 in words is "one hundred thirty billion, one hundred thirty-two million, three hundred one thousand, two hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •