Base | Representation |
---|---|
bin | 1111100111100… |
… | …00101101001001 |
3 | 100010111222001021 |
4 | 13303300231021 |
5 | 232014244403 |
6 | 20555552441 |
7 | 3150363316 |
oct | 763605511 |
9 | 303458037 |
10 | 131009353 |
11 | 67a512a2 |
12 | 37a5b721 |
13 | 211b0037 |
14 | 13583d0d |
15 | b77c8bd |
hex | 7cf0b49 |
131009353 has 2 divisors, whose sum is σ = 131009354. Its totient is φ = 131009352.
The previous prime is 131009303. The next prime is 131009369. The reversal of 131009353 is 353900131.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 100240144 + 30769209 = 10012^2 + 5547^2 .
It is a cyclic number.
It is not a de Polignac number, because 131009353 - 29 = 131008841 is a prime.
It is not a weakly prime, because it can be changed into another prime (131009303) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65504676 + 65504677.
It is an arithmetic number, because the mean of its divisors is an integer number (65504677).
Almost surely, 2131009353 is an apocalyptic number.
It is an amenable number.
131009353 is a deficient number, since it is larger than the sum of its proper divisors (1).
131009353 is an equidigital number, since it uses as much as digits as its factorization.
131009353 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1215, while the sum is 25.
The square root of 131009353 is about 11445.9317226690. The cubic root of 131009353 is about 507.8873944410.
Adding to 131009353 its reverse (353900131), we get a palindrome (484909484).
The spelling of 131009353 in words is "one hundred thirty-one million, nine thousand, three hundred fifty-three".
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