Base | Representation |
---|---|
bin | 111101001101010000… |
… | …0011011111101010101 |
3 | 110120021100211110120001 |
4 | 1322122200123331111 |
5 | 4123142422311034 |
6 | 140214441211301 |
7 | 12332143610212 |
oct | 1723240337525 |
9 | 416240743501 |
10 | 131441213269 |
11 | 50820157a83 |
12 | 21583490b31 |
13 | c519653152 |
14 | 650ca68b09 |
15 | 3644649a14 |
hex | 1e9a81bf55 |
131441213269 has 2 divisors, whose sum is σ = 131441213270. Its totient is φ = 131441213268.
The previous prime is 131441213237. The next prime is 131441213279. The reversal of 131441213269 is 962312144131.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 118408251025 + 13032962244 = 344105^2 + 114162^2 .
It is a cyclic number.
It is not a de Polignac number, because 131441213269 - 25 = 131441213237 is a prime.
It is a super-2 number, since 2×1314412132692 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (131441213219) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65720606634 + 65720606635.
It is an arithmetic number, because the mean of its divisors is an integer number (65720606635).
Almost surely, 2131441213269 is an apocalyptic number.
It is an amenable number.
131441213269 is a deficient number, since it is larger than the sum of its proper divisors (1).
131441213269 is an equidigital number, since it uses as much as digits as its factorization.
131441213269 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 31104, while the sum is 37.
The spelling of 131441213269 in words is "one hundred thirty-one billion, four hundred forty-one million, two hundred thirteen thousand, two hundred sixty-nine".
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