Base | Representation |
---|---|
bin | 1001101000111010010… |
… | …00101111001000111101 |
3 | 1011122212222200212102002 |
4 | 10310131020233020331 |
5 | 20411300013430133 |
6 | 412052441312045 |
7 | 32633322460436 |
oct | 4643510571075 |
9 | 1148788625362 |
10 | 331201311293 |
11 | 118509562286 |
12 | 54232795625 |
13 | 25303056c98 |
14 | 1205cd3c48d |
15 | 89369d1ce8 |
hex | 4d1d22f23d |
331201311293 has 2 divisors, whose sum is σ = 331201311294. Its totient is φ = 331201311292.
The previous prime is 331201311239. The next prime is 331201311323. The reversal of 331201311293 is 392113102133.
It is a happy number.
Together with previous prime (331201311239) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 178947612484 + 152253698809 = 423022^2 + 390197^2 .
It is a cyclic number.
It is not a de Polignac number, because 331201311293 - 26 = 331201311229 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (331201316293) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165600655646 + 165600655647.
It is an arithmetic number, because the mean of its divisors is an integer number (165600655647).
Almost surely, 2331201311293 is an apocalyptic number.
It is an amenable number.
331201311293 is a deficient number, since it is larger than the sum of its proper divisors (1).
331201311293 is an equidigital number, since it uses as much as digits as its factorization.
331201311293 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2916, while the sum is 29.
The spelling of 331201311293 in words is "three hundred thirty-one billion, two hundred one million, three hundred eleven thousand, two hundred ninety-three".
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