Base | Representation |
---|---|
bin | 1111100000101… |
… | …00100110101111 |
3 | 100001211011101021 |
4 | 13300110212233 |
5 | 231301422243 |
6 | 20524355011 |
7 | 3136620046 |
oct | 760244657 |
9 | 301734337 |
10 | 130107823 |
11 | 67495a2a |
12 | 376a5a67 |
13 | 20c558a1 |
14 | 133cb55d |
15 | b6506ed |
hex | 7c149af |
130107823 has 2 divisors, whose sum is σ = 130107824. Its totient is φ = 130107822.
The previous prime is 130107811. The next prime is 130107829. The reversal of 130107823 is 328701031.
It is a strong prime.
It is an emirp because it is prime and its reverse (328701031) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 130107823 - 221 = 128010671 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (130107829) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65053911 + 65053912.
It is an arithmetic number, because the mean of its divisors is an integer number (65053912).
Almost surely, 2130107823 is an apocalyptic number.
130107823 is a deficient number, since it is larger than the sum of its proper divisors (1).
130107823 is an equidigital number, since it uses as much as digits as its factorization.
130107823 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1008, while the sum is 25.
The square root of 130107823 is about 11406.4816223058. The cubic root of 130107823 is about 506.7197169079.
Adding to 130107823 its reverse (328701031), we get a palindrome (458808854).
The spelling of 130107823 in words is "one hundred thirty million, one hundred seven thousand, eight hundred twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •