Base | Representation |
---|---|
bin | 1000000110111… |
… | …01011011011001 |
3 | 11201222120011221 |
4 | 10003131123121 |
5 | 114403001313 |
6 | 10425452041 |
7 | 1454060614 |
oct | 403353331 |
9 | 151876157 |
10 | 68015833 |
11 | 35436336 |
12 | 1a941021 |
13 | 11125672 |
14 | 906717b |
15 | 5e87c8d |
hex | 40dd6d9 |
68015833 has 2 divisors, whose sum is σ = 68015834. Its totient is φ = 68015832.
The previous prime is 68015813. The next prime is 68015863. The reversal of 68015833 is 33851086.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 45859984 + 22155849 = 6772^2 + 4707^2 .
It is a cyclic number.
It is not a de Polignac number, because 68015833 - 221 = 65918681 is a prime.
It is not a weakly prime, because it can be changed into another prime (68015813) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34007916 + 34007917.
It is an arithmetic number, because the mean of its divisors is an integer number (34007917).
Almost surely, 268015833 is an apocalyptic number.
It is an amenable number.
68015833 is a deficient number, since it is larger than the sum of its proper divisors (1).
68015833 is an equidigital number, since it uses as much as digits as its factorization.
68015833 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 17280, while the sum is 34.
The square root of 68015833 is about 8247.1712119975. The cubic root of 68015833 is about 408.1971865791.
The spelling of 68015833 in words is "sixty-eight million, fifteen thousand, eight hundred thirty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •