Base | Representation |
---|---|
bin | 1111100000101… |
… | …00101110000001 |
3 | 100001211012000112 |
4 | 13300110232001 |
5 | 231301431124 |
6 | 20524401105 |
7 | 3136621313 |
oct | 760245601 |
9 | 301735015 |
10 | 130108289 |
11 | 67496313 |
12 | 376a6195 |
13 | 20c55b6c |
14 | 133cb7b3 |
15 | b65090e |
hex | 7c14b81 |
130108289 has 2 divisors, whose sum is σ = 130108290. Its totient is φ = 130108288.
The previous prime is 130108249. The next prime is 130108337. The reversal of 130108289 is 982801031.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 129777664 + 330625 = 11392^2 + 575^2 .
It is a cyclic number.
It is not a de Polignac number, because 130108289 - 224 = 113331073 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (130108249) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65054144 + 65054145.
It is an arithmetic number, because the mean of its divisors is an integer number (65054145).
Almost surely, 2130108289 is an apocalyptic number.
It is an amenable number.
130108289 is a deficient number, since it is larger than the sum of its proper divisors (1).
130108289 is an equidigital number, since it uses as much as digits as its factorization.
130108289 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3456, while the sum is 32.
The square root of 130108289 is about 11406.5020492700. The cubic root of 130108289 is about 506.7203218705.
The spelling of 130108289 in words is "one hundred thirty million, one hundred eight thousand, two hundred eighty-nine".
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