Base | Representation |
---|---|
bin | 100011011110110101011101… |
… | …0111100110011000110111101 |
3 | 1111221001120211100012002121211 |
4 | 1012331222322330303012331 |
5 | 311401431304342000133 |
6 | 3023441154205124421 |
7 | 122511366266535133 |
oct | 10675527274630675 |
9 | 1457046740162554 |
10 | 312101230031293 |
11 | 9049942a98810a |
12 | 2b007386559711 |
13 | 1051c0343b18b1 |
14 | 570dacc981753 |
15 | 2613708987bcd |
hex | 11bdabaf331bd |
312101230031293 has 2 divisors, whose sum is σ = 312101230031294. Its totient is φ = 312101230031292.
The previous prime is 312101230031291. The next prime is 312101230031321. The reversal of 312101230031293 is 392130032101213.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 303915834645124 + 8185395386169 = 17433182^2 + 2861013^2 .
It is a cyclic number.
It is not a de Polignac number, because 312101230031293 - 21 = 312101230031291 is a prime.
Together with 312101230031291, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (312101230031291) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156050615015646 + 156050615015647.
It is an arithmetic number, because the mean of its divisors is an integer number (156050615015647).
Almost surely, 2312101230031293 is an apocalyptic number.
It is an amenable number.
312101230031293 is a deficient number, since it is larger than the sum of its proper divisors (1).
312101230031293 is an equidigital number, since it uses as much as digits as its factorization.
312101230031293 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5832, while the sum is 31.
The spelling of 312101230031293 in words is "three hundred twelve trillion, one hundred one billion, two hundred thirty million, thirty-one thousand, two hundred ninety-three".
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