Base | Representation |
---|---|
bin | 1111100000001… |
… | …01000110101011 |
3 | 100001200221021201 |
4 | 13300011012223 |
5 | 231242404311 |
6 | 20523145031 |
7 | 3136233664 |
oct | 760050653 |
9 | 301627251 |
10 | 130044331 |
11 | 6745225a |
12 | 37675177 |
13 | 20c32a11 |
14 | 133b236b |
15 | b63b9c1 |
hex | 7c051ab |
130044331 has 2 divisors, whose sum is σ = 130044332. Its totient is φ = 130044330.
The previous prime is 130044329. The next prime is 130044353. The reversal of 130044331 is 133440031.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 130044331 - 21 = 130044329 is a prime.
It is a super-2 number, since 2×1300443312 = 33823056050475122, which contains 22 as substring.
Together with 130044329, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 130044299 and 130044308.
It is not a weakly prime, because it can be changed into another prime (130044361) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65022165 + 65022166.
It is an arithmetic number, because the mean of its divisors is an integer number (65022166).
Almost surely, 2130044331 is an apocalyptic number.
130044331 is a deficient number, since it is larger than the sum of its proper divisors (1).
130044331 is an equidigital number, since it uses as much as digits as its factorization.
130044331 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 432, while the sum is 19.
The square root of 130044331 is about 11403.6981282389. The cubic root of 130044331 is about 506.6372778910.
Adding to 130044331 its reverse (133440031), we get a palindrome (263484362).
The spelling of 130044331 in words is "one hundred thirty million, forty-four thousand, three hundred thirty-one".
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