Base | Representation |
---|---|
bin | 1001101000110001110… |
… | …01111001100110111101 |
3 | 1011122201001002210021012 |
4 | 10310120321321212331 |
5 | 20411123330010044 |
6 | 412041423445005 |
7 | 32631501135656 |
oct | 4643071714675 |
9 | 1148631083235 |
10 | 331130313149 |
11 | 11848247a329 |
12 | 54212a56765 |
13 | 252c142904c |
14 | 1205373a52d |
15 | 893065a59e |
hex | 4d18e799bd |
331130313149 has 2 divisors, whose sum is σ = 331130313150. Its totient is φ = 331130313148.
The previous prime is 331130313133. The next prime is 331130313181. The reversal of 331130313149 is 941313031133.
It is an a-pointer prime, because the next prime (331130313181) can be obtained adding 331130313149 to its sum of digits (32).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 327544459225 + 3585853924 = 572315^2 + 59882^2 .
It is a cyclic number.
It is not a de Polignac number, because 331130313149 - 24 = 331130313133 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (331130313049) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165565156574 + 165565156575.
It is an arithmetic number, because the mean of its divisors is an integer number (165565156575).
Almost surely, 2331130313149 is an apocalyptic number.
It is an amenable number.
331130313149 is a deficient number, since it is larger than the sum of its proper divisors (1).
331130313149 is an equidigital number, since it uses as much as digits as its factorization.
331130313149 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8748, while the sum is 32.
The spelling of 331130313149 in words is "three hundred thirty-one billion, one hundred thirty million, three hundred thirteen thousand, one hundred forty-nine".
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