Base | Representation |
---|---|
bin | 111111011010101001… |
… | …111101100010101011 |
3 | 20111202111212212210121 |
4 | 333122221331202223 |
5 | 2103423243130012 |
6 | 51140444024111 |
7 | 4630256314162 |
oct | 773251754253 |
9 | 214674785717 |
10 | 68092942507 |
11 | 269727665a7 |
12 | 11244232037 |
13 | 6562312675 |
14 | 341d6323d9 |
15 | 1b87eaba07 |
hex | fdaa7d8ab |
68092942507 has 2 divisors, whose sum is σ = 68092942508. Its totient is φ = 68092942506.
The previous prime is 68092942493. The next prime is 68092942513. The reversal of 68092942507 is 70524929086.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 68092942507 - 223 = 68084553899 is a prime.
It is not a weakly prime, because it can be changed into another prime (68092942597) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34046471253 + 34046471254.
It is an arithmetic number, because the mean of its divisors is an integer number (34046471254).
Almost surely, 268092942507 is an apocalyptic number.
68092942507 is a deficient number, since it is larger than the sum of its proper divisors (1).
68092942507 is an equidigital number, since it uses as much as digits as its factorization.
68092942507 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2177280, while the sum is 52.
The spelling of 68092942507 in words is "sixty-eight billion, ninety-two million, nine hundred forty-two thousand, five hundred seven".
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