Base | Representation |
---|---|
bin | 1111100001110… |
… | …10100010010011 |
3 | 100002010001111111 |
4 | 13300322202103 |
5 | 231321410222 |
6 | 20531554151 |
7 | 3141135025 |
oct | 760724223 |
9 | 302101444 |
10 | 130263187 |
11 | 6759172a |
12 | 3775b957 |
13 | 20cab512 |
14 | 1342c015 |
15 | b681777 |
hex | 7c3a893 |
130263187 has 2 divisors, whose sum is σ = 130263188. Its totient is φ = 130263186.
The previous prime is 130263181. The next prime is 130263229. The reversal of 130263187 is 781362031.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 130263187 - 27 = 130263059 is a prime.
It is not a weakly prime, because it can be changed into another prime (130263181) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65131593 + 65131594.
It is an arithmetic number, because the mean of its divisors is an integer number (65131594).
Almost surely, 2130263187 is an apocalyptic number.
130263187 is a deficient number, since it is larger than the sum of its proper divisors (1).
130263187 is an equidigital number, since it uses as much as digits as its factorization.
130263187 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6048, while the sum is 31.
The square root of 130263187 is about 11413.2899288505. The cubic root of 130263187 is about 506.9213309360.
The spelling of 130263187 in words is "one hundred thirty million, two hundred sixty-three thousand, one hundred eighty-seven".
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