Base | Representation |
---|---|
bin | 11100111100101011… |
… | …001000011011010011 |
3 | 2222020012121022021212 |
4 | 130330223020123103 |
5 | 1002124133220424 |
6 | 22140150210335 |
7 | 2150154452633 |
oct | 347453103323 |
9 | 88205538255 |
10 | 31082710739 |
11 | 1220041a6a3 |
12 | 60356539ab |
13 | 2c147a1442 |
14 | 170c1666c3 |
15 | c1dbe710e |
hex | 73cac86d3 |
31082710739 has 2 divisors, whose sum is σ = 31082710740. Its totient is φ = 31082710738.
The previous prime is 31082710723. The next prime is 31082710787. The reversal of 31082710739 is 93701728013.
It is a weak prime.
It is an emirp because it is prime and its reverse (93701728013) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 31082710739 - 24 = 31082710723 is a prime.
It is a super-2 number, since 2×310827107392 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 31082710696 and 31082710705.
It is not a weakly prime, because it can be changed into another prime (31082710639) 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, 15541355369 + 15541355370.
It is an arithmetic number, because the mean of its divisors is an integer number (15541355370).
Almost surely, 231082710739 is an apocalyptic number.
31082710739 is a deficient number, since it is larger than the sum of its proper divisors (1).
31082710739 is an equidigital number, since it uses as much as digits as its factorization.
31082710739 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 63504, while the sum is 41.
The spelling of 31082710739 in words is "thirty-one billion, eighty-two million, seven hundred ten thousand, seven hundred thirty-nine".
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