Base | Representation |
---|---|
bin | 111111100101001000… |
… | …111100000111011100 |
3 | 20112012202212011100012 |
4 | 333211020330013130 |
5 | 2104303310212132 |
6 | 51210130022352 |
7 | 4634523345140 |
oct | 774510740734 |
9 | 215182764305 |
10 | 68268835292 |
11 | 26a52a83439 |
12 | 112931179b8 |
13 | 658c8a8c38 |
14 | 3438b3b220 |
15 | 1b986530b2 |
hex | fe523c1dc |
68268835292 has 24 divisors (see below), whose sum is σ = 137441902080. Its totient is φ = 29064308400.
The previous prime is 68268835279. The next prime is 68268835303. The reversal of 68268835292 is 29253886286.
It is a happy number.
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, 8069192 + ... + 8077647.
It is an arithmetic number, because the mean of its divisors is an integer number (5726745920).
Almost surely, 268268835292 is an apocalyptic number.
It is an amenable number.
68268835292 is an abundant number, since it is smaller than the sum of its proper divisors (69173066788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68268835292 is a wasteful number, since it uses less digits than its factorization.
68268835292 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16147001 (or 16146999 counting only the distinct ones).
The product of its digits is 19906560, while the sum is 59.
The spelling of 68268835292 in words is "sixty-eight billion, two hundred sixty-eight million, eight hundred thirty-five thousand, two hundred ninety-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.112 sec. • engine limits •