Base | Representation |
---|---|
bin | 111111100111010110… |
… | …111111110101001111 |
3 | 20112022100221010120010 |
4 | 333213112333311033 |
5 | 2104342323344314 |
6 | 51213540124303 |
7 | 4635455025453 |
oct | 774726776517 |
9 | 215270833503 |
10 | 68306074959 |
11 | 26a71aa9121 |
12 | 112a3696693 |
13 | 6597517245 |
14 | 343da72663 |
15 | 1b9ba5c059 |
hex | fe75bfd4f |
68306074959 has 4 divisors (see below), whose sum is σ = 91074766616. Its totient is φ = 45537383304.
The previous prime is 68306074933. The next prime is 68306074973. The reversal of 68306074959 is 95947060386.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 68306074959 - 217 = 68305943887 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 68306074899 and 68306074908.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68306074979) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11384345824 + ... + 11384345829.
It is an arithmetic number, because the mean of its divisors is an integer number (22768691654).
Almost surely, 268306074959 is an apocalyptic number.
68306074959 is a deficient number, since it is larger than the sum of its proper divisors (22768691657).
68306074959 is a wasteful number, since it uses less digits than its factorization.
68306074959 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22768691656.
The product of its (nonzero) digits is 9797760, while the sum is 57.
The spelling of 68306074959 in words is "sixty-eight billion, three hundred six million, seventy-four thousand, nine hundred fifty-nine".
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