Base | Representation |
---|---|
bin | 1111100001001… |
… | …01000100011001 |
3 | 100001221120212211 |
4 | 13300211010121 |
5 | 231311102012 |
6 | 20530035121 |
7 | 3140320462 |
oct | 760450431 |
9 | 301846784 |
10 | 130175257 |
11 | 67531663 |
12 | 37718aa1 |
13 | 20c7a4a4 |
14 | 13407d69 |
15 | b6656a7 |
hex | 7c25119 |
130175257 has 2 divisors, whose sum is σ = 130175258. Its totient is φ = 130175256.
The previous prime is 130175203. The next prime is 130175263. The reversal of 130175257 is 752571031.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 109599961 + 20575296 = 10469^2 + 4536^2 .
It is a cyclic number.
It is not a de Polignac number, because 130175257 - 223 = 121786649 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (130175057) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65087628 + 65087629.
It is an arithmetic number, because the mean of its divisors is an integer number (65087629).
Almost surely, 2130175257 is an apocalyptic number.
It is an amenable number.
130175257 is a deficient number, since it is larger than the sum of its proper divisors (1).
130175257 is an equidigital number, since it uses as much as digits as its factorization.
130175257 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 7350, while the sum is 31.
The square root of 130175257 is about 11409.4371903263. The cubic root of 130175257 is about 506.8072449159.
The spelling of 130175257 in words is "one hundred thirty million, one hundred seventy-five thousand, two hundred fifty-seven".
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