Base | Representation |
---|---|
bin | 111111011111101111… |
… | …000111000110110011 |
3 | 20111222110021022120121 |
4 | 333133233013012303 |
5 | 2104112103202413 |
6 | 51153130551111 |
7 | 4632342645442 |
oct | 773757070663 |
9 | 214873238517 |
10 | 68178178483 |
11 | 26a06893658 |
12 | 11268898497 |
13 | 6576b8705c |
14 | 342aa9cd59 |
15 | 1b906e6b8d |
hex | fdfbc71b3 |
68178178483 has 2 divisors, whose sum is σ = 68178178484. Its totient is φ = 68178178482.
The previous prime is 68178178469. The next prime is 68178178561. The reversal of 68178178483 is 38487187186.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 68178178483 - 221 = 68176081331 is a prime.
It is not a weakly prime, because it can be changed into another prime (68178178403) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34089089241 + 34089089242.
It is an arithmetic number, because the mean of its divisors is an integer number (34089089242).
Almost surely, 268178178483 is an apocalyptic number.
68178178483 is a deficient number, since it is larger than the sum of its proper divisors (1).
68178178483 is an equidigital number, since it uses as much as digits as its factorization.
68178178483 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 14450688, while the sum is 61.
The spelling of 68178178483 in words is "sixty-eight billion, one hundred seventy-eight million, one hundred seventy-eight thousand, four hundred eighty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •