Base | Representation |
---|---|
bin | 1111100100011… |
… | …11010010000101 |
3 | 100002202200122212 |
4 | 13302033102011 |
5 | 231414012214 |
6 | 20543233205 |
7 | 3144112034 |
oct | 762172205 |
9 | 302680585 |
10 | 130610309 |
11 | 677a9505 |
12 | 378a8805 |
13 | 210a050b |
14 | 134bc71b |
15 | b6ee53e |
hex | 7c8f485 |
130610309 has 2 divisors, whose sum is σ = 130610310. Its totient is φ = 130610308.
The previous prime is 130610281. The next prime is 130610323. The reversal of 130610309 is 903016031.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 130462084 + 148225 = 11422^2 + 385^2 .
It is a cyclic number.
It is not a de Polignac number, because 130610309 - 216 = 130544773 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (130610339) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65305154 + 65305155.
It is an arithmetic number, because the mean of its divisors is an integer number (65305155).
Almost surely, 2130610309 is an apocalyptic number.
It is an amenable number.
130610309 is a deficient number, since it is larger than the sum of its proper divisors (1).
130610309 is an equidigital number, since it uses as much as digits as its factorization.
130610309 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 486, while the sum is 23.
The square root of 130610309 is about 11428.4867327219. The cubic root of 130610309 is about 507.3712085523.
The spelling of 130610309 in words is "one hundred thirty million, six hundred ten thousand, three hundred nine".
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