Base | Representation |
---|---|
bin | 1000000110111… |
… | …10000000010100 |
3 | 11201222200102110 |
4 | 10003132000110 |
5 | 114403040241 |
6 | 10425511020 |
7 | 1454100531 |
oct | 403360024 |
9 | 151880373 |
10 | 68018196 |
11 | 35438094 |
12 | 1a942470 |
13 | 1112676c |
14 | 9067d88 |
15 | 5e88816 |
hex | 40de014 |
68018196 has 24 divisors (see below), whose sum is σ = 158982880. Its totient is φ = 22633632.
The previous prime is 68018177. The next prime is 68018219. The reversal of 68018196 is 69181086.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2850 + ... + 12006.
Almost surely, 268018196 is an apocalyptic number.
It is an amenable number.
68018196 is an abundant number, since it is smaller than the sum of its proper divisors (90964684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68018196 is a wasteful number, since it uses less digits than its factorization.
68018196 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9783 (or 9781 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 39.
The square root of 68018196 is about 8247.3144719963. The cubic root of 68018196 is about 408.2019137077.
The spelling of 68018196 in words is "sixty-eight million, eighteen thousand, one hundred ninety-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •