Base | Representation |
---|---|
bin | 1111011111110… |
… | …11010010011011 |
3 | 100001121220010112 |
4 | 13233323102123 |
5 | 231240112443 |
6 | 20522234535 |
7 | 3136005524 |
oct | 757732233 |
9 | 301556115 |
10 | 130004123 |
11 | 67425027 |
12 | 37655a4b |
13 | 20c1a622 |
14 | 133a184b |
15 | b62eb18 |
hex | 7bfb49b |
130004123 has 2 divisors, whose sum is σ = 130004124. Its totient is φ = 130004122.
The previous prime is 130004089. The next prime is 130004131. The reversal of 130004123 is 321400031.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 130004123 - 212 = 130000027 is a prime.
It is a Sophie Germain prime.
It is a junction number, because it is equal to n+sod(n) for n = 130004098 and 130004107.
It is not a weakly prime, because it can be changed into another prime (130004183) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65002061 + 65002062.
It is an arithmetic number, because the mean of its divisors is an integer number (65002062).
Almost surely, 2130004123 is an apocalyptic number.
130004123 is a deficient number, since it is larger than the sum of its proper divisors (1).
130004123 is an equidigital number, since it uses as much as digits as its factorization.
130004123 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 130004123 is about 11401.9350550685. The cubic root of 130004123 is about 506.5850573102.
Adding to 130004123 its reverse (321400031), we get a palindrome (451404154).
The spelling of 130004123 in words is "one hundred thirty million, four thousand, one hundred twenty-three".
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