Base | Representation |
---|---|
bin | 1111100000111… |
… | …01101101010011 |
3 | 100001220001112011 |
4 | 13300131231103 |
5 | 231304120412 |
6 | 20525243351 |
7 | 3140133541 |
oct | 760355523 |
9 | 301801464 |
10 | 130145107 |
11 | 67510a44 |
12 | 37703557 |
13 | 20c69851 |
14 | 133dad91 |
15 | b65b7a7 |
hex | 7c1db53 |
130145107 has 2 divisors, whose sum is σ = 130145108. Its totient is φ = 130145106.
The previous prime is 130145089. The next prime is 130145123. The reversal of 130145107 is 701541031.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 130145107 - 219 = 129620819 is a prime.
It is not a weakly prime, because it can be changed into another prime (130145137) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65072553 + 65072554.
It is an arithmetic number, because the mean of its divisors is an integer number (65072554).
Almost surely, 2130145107 is an apocalyptic number.
130145107 is a deficient number, since it is larger than the sum of its proper divisors (1).
130145107 is an equidigital number, since it uses as much as digits as its factorization.
130145107 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 420, while the sum is 22.
The square root of 130145107 is about 11408.1158391734. The cubic root of 130145107 is about 506.7681145449.
Adding to 130145107 its reverse (701541031), we get a palindrome (831686138).
The spelling of 130145107 in words is "one hundred thirty million, one hundred forty-five thousand, one hundred seven".
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