Base | Representation |
---|---|
bin | 111111101001111111… |
… | …110001100101100000 |
3 | 20112102110011221220020 |
4 | 333221333301211200 |
5 | 2104440140201234 |
6 | 51222200313440 |
7 | 4636533060615 |
oct | 775177614540 |
9 | 215373157806 |
10 | 68350318944 |
11 | 26a94a782a6 |
12 | 112b6472880 |
13 | 65a373870b |
14 | 34458ac50c |
15 | 1ba089b549 |
hex | fe9ff1960 |
68350318944 has 36 divisors (see below), whose sum is σ = 179426311596. Its totient is φ = 22782585792.
The previous prime is 68350318901. The next prime is 68350318951. The reversal of 68350318944 is 44981305386.
It is a super-3 number, since 3×683503189443 (a number of 33 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2548227 + ... + 2574909.
It is an arithmetic number, because the mean of its divisors is an integer number (4984064211).
Almost surely, 268350318944 is an apocalyptic number.
It is an amenable number.
68350318944 is an abundant number, since it is smaller than the sum of its proper divisors (111075992652).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68350318944 is an frugal number, since it uses more digits than its factorization.
68350318944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53379 (or 26688 counting only the distinct ones).
The product of its (nonzero) digits is 2488320, while the sum is 51.
The spelling of 68350318944 in words is "sixty-eight billion, three hundred fifty million, three hundred eighteen thousand, nine hundred forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •