Base | Representation |
---|---|
bin | 1111100001100… |
… | …10111101000001 |
3 | 100002001110220012 |
4 | 13300302331001 |
5 | 231314412004 |
6 | 20531154305 |
7 | 3140645336 |
oct | 760627501 |
9 | 302043805 |
10 | 130232129 |
11 | 67570365 |
12 | 37745995 |
13 | 20c9a341 |
14 | 1342098d |
15 | b67746e |
hex | 7c32f41 |
130232129 has 2 divisors, whose sum is σ = 130232130. Its totient is φ = 130232128.
The previous prime is 130232093. The next prime is 130232153. The reversal of 130232129 is 921232031.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 99540529 + 30691600 = 9977^2 + 5540^2 .
It is a cyclic number.
It is not a de Polignac number, because 130232129 - 220 = 129183553 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (130232929) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65116064 + 65116065.
It is an arithmetic number, because the mean of its divisors is an integer number (65116065).
Almost surely, 2130232129 is an apocalyptic number.
It is an amenable number.
130232129 is a deficient number, since it is larger than the sum of its proper divisors (1).
130232129 is an equidigital number, since it uses as much as digits as its factorization.
130232129 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 648, while the sum is 23.
The square root of 130232129 is about 11411.9292409303. The cubic root of 130232129 is about 506.8810401614.
The spelling of 130232129 in words is "one hundred thirty million, two hundred thirty-two thousand, one hundred twenty-nine".
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