Base | Representation |
---|---|
bin | 111111111100101000… |
… | …000010110110010000 |
3 | 20120020020021221220001 |
4 | 333330220002312100 |
5 | 2111110143142141 |
6 | 51313203255344 |
7 | 4650346503514 |
oct | 777450026620 |
9 | 216206257801 |
10 | 68662865296 |
11 | 27135440a73 |
12 | 1138307a554 |
13 | 662340a09c |
14 | 34751ca144 |
15 | 1bbd037a31 |
hex | ffca02d90 |
68662865296 has 45 divisors (see below), whose sum is σ = 134489772963. Its totient is φ = 33959865600.
The previous prime is 68662865279. The next prime is 68662865339. The reversal of 68662865296 is 69256826686.
The square root of 68662865296 is 262036.
It is a perfect power (a square), and thus also a powerful number.
68662865296 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 20438705296 + 48224160000 = 142964^2 + 219600^2 .
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 114247396 + ... + 114247996.
Almost surely, 268662865296 is an apocalyptic number.
68662865296 is the 262036-th square number.
It is an amenable number.
68662865296 is a deficient number, since it is larger than the sum of its proper divisors (65826907667).
68662865296 is an frugal number, since it uses more digits than its factorization.
68662865296 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1428 (or 712 counting only the distinct ones).
The product of its digits is 89579520, while the sum is 64.
Multiplying 68662865296 by its sum of digits (64), we get a square (4394423378944 = 20962882).
The spelling of 68662865296 in words is "sixty-eight billion, six hundred sixty-two million, eight hundred sixty-five thousand, two hundred ninety-six".
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