Base | Representation |
---|---|
bin | 111111100100011111… |
… | …101010100001011011 |
3 | 20112012000111110010121 |
4 | 333210133222201123 |
5 | 2104243022442243 |
6 | 51205102054111 |
7 | 4634332362061 |
oct | 774437524133 |
9 | 215160443117 |
10 | 68258015323 |
11 | 26a47963213 |
12 | 1128b57a337 |
13 | 658a58b0a4 |
14 | 3437522031 |
15 | 1b977171ed |
hex | fe47ea85b |
68258015323 has 2 divisors, whose sum is σ = 68258015324. Its totient is φ = 68258015322.
The previous prime is 68258015321. The next prime is 68258015417. The reversal of 68258015323 is 32351085286.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 68258015323 - 21 = 68258015321 is a prime.
Together with 68258015321, it forms a pair of twin primes.
It is a self number, because there is not a number n which added to its sum of digits gives 68258015323.
It is not a weakly prime, because it can be changed into another prime (68258015321) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34129007661 + 34129007662.
It is an arithmetic number, because the mean of its divisors is an integer number (34129007662).
Almost surely, 268258015323 is an apocalyptic number.
68258015323 is a deficient number, since it is larger than the sum of its proper divisors (1).
68258015323 is an equidigital number, since it uses as much as digits as its factorization.
68258015323 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 345600, while the sum is 43.
The spelling of 68258015323 in words is "sixty-eight billion, two hundred fifty-eight million, fifteen thousand, three hundred twenty-three".
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