Base | Representation |
---|---|
bin | 11101010010010101… |
… | …001010111110111001 |
3 | 10000011112021222212222 |
4 | 131102111022332321 |
5 | 1003400142142133 |
6 | 22240210013425 |
7 | 2162156016131 |
oct | 352225127671 |
9 | 100145258788 |
10 | 31446052793 |
11 | 12377527991 |
12 | 6117277275 |
13 | 2c71b4943c |
14 | 1744507ac1 |
15 | c40a68e98 |
hex | 75254afb9 |
31446052793 has 2 divisors, whose sum is σ = 31446052794. Its totient is φ = 31446052792.
The previous prime is 31446052783. The next prime is 31446052817. The reversal of 31446052793 is 39725064413.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 19361887609 + 12084165184 = 139147^2 + 109928^2 .
It is a cyclic number.
It is not a de Polignac number, because 31446052793 - 216 = 31445987257 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (31446052783) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15723026396 + 15723026397.
It is an arithmetic number, because the mean of its divisors is an integer number (15723026397).
Almost surely, 231446052793 is an apocalyptic number.
It is an amenable number.
31446052793 is a deficient number, since it is larger than the sum of its proper divisors (1).
31446052793 is an equidigital number, since it uses as much as digits as its factorization.
31446052793 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 544320, while the sum is 44.
The spelling of 31446052793 in words is "thirty-one billion, four hundred forty-six million, fifty-two thousand, seven hundred ninety-three".
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