Base | Representation |
---|---|
bin | 11101110101001110100100… |
… | …110001000010100101111001 |
3 | 122012112201001100121002120221 |
4 | 131311032210301002211321 |
5 | 114144044403324410014 |
6 | 1143012544525020041 |
7 | 36430653213660124 |
oct | 3565164461024571 |
9 | 565481040532527 |
10 | 131201130310009 |
11 | 388940a5720a21 |
12 | 1286b7a90b4621 |
13 | 58292a10a3986 |
14 | 24582508753bb |
15 | 1027c98605b24 |
hex | 7753a4c42979 |
131201130310009 has 2 divisors, whose sum is σ = 131201130310010. Its totient is φ = 131201130310008.
The previous prime is 131201130309961. The next prime is 131201130310037. The reversal of 131201130310009 is 900013031102131.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 101946824184384 + 29254306125625 = 10096872^2 + 5408725^2 .
It is a cyclic number.
It is not a de Polignac number, because 131201130310009 - 243 = 122405037287801 is a prime.
It is not a weakly prime, because it can be changed into another prime (131201130310109) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65600565155004 + 65600565155005.
It is an arithmetic number, because the mean of its divisors is an integer number (65600565155005).
Almost surely, 2131201130310009 is an apocalyptic number.
It is an amenable number.
131201130310009 is a deficient number, since it is larger than the sum of its proper divisors (1).
131201130310009 is an equidigital number, since it uses as much as digits as its factorization.
131201130310009 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 25.
The spelling of 131201130310009 in words is "one hundred thirty-one trillion, two hundred one billion, one hundred thirty million, three hundred ten thousand, nine".
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