Base | Representation |
---|---|
bin | 11101001001101000… |
… | …000111011011111001 |
3 | 2222210100111222010021 |
4 | 131021220013123321 |
5 | 1003100301232212 |
6 | 22213512050441 |
7 | 2155433546311 |
oct | 351150073371 |
9 | 88710458107 |
10 | 31300024057 |
11 | 12302058385 |
12 | 6096393a21 |
13 | 2c4a80acc3 |
14 | 172cd74441 |
15 | c32d21307 |
hex | 749a076f9 |
31300024057 has 2 divisors, whose sum is σ = 31300024058. Its totient is φ = 31300024056.
The previous prime is 31300024051. The next prime is 31300024109. The reversal of 31300024057 is 75042000313.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 24081142761 + 7218881296 = 155181^2 + 84964^2 .
It is a cyclic number.
It is not a de Polignac number, because 31300024057 - 231 = 29152540409 is a prime.
It is not a weakly prime, because it can be changed into another prime (31300024051) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15650012028 + 15650012029.
It is an arithmetic number, because the mean of its divisors is an integer number (15650012029).
Almost surely, 231300024057 is an apocalyptic number.
It is an amenable number.
31300024057 is a deficient number, since it is larger than the sum of its proper divisors (1).
31300024057 is an equidigital number, since it uses as much as digits as its factorization.
31300024057 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2520, while the sum is 25.
The spelling of 31300024057 in words is "thirty-one billion, three hundred million, twenty-four thousand, fifty-seven".
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