Base | Representation |
---|---|
bin | 111111011111101011… |
… | …111011010100011000 |
3 | 20111222101200220120020 |
4 | 333133223323110120 |
5 | 2104111400000033 |
6 | 51153101030440 |
7 | 4632332601042 |
oct | 773753732430 |
9 | 214871626506 |
10 | 68177343768 |
11 | 26a06373506 |
12 | 11268555420 |
13 | 6576954141 |
14 | 342a922a92 |
15 | 1b905ce6b3 |
hex | fdfafb518 |
68177343768 has 32 divisors (see below), whose sum is σ = 172778204400. Its totient is φ = 22414468608.
The previous prime is 68177343737. The next prime is 68177343803. The reversal of 68177343768 is 86734377186.
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, 19455253 + ... + 19458756.
Almost surely, 268177343768 is an apocalyptic number.
It is an amenable number.
68177343768 is an abundant number, since it is smaller than the sum of its proper divisors (104600860632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68177343768 is a wasteful number, since it uses less digits than its factorization.
68177343768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38914091 (or 38914087 counting only the distinct ones).
The product of its digits is 28449792, while the sum is 60.
The spelling of 68177343768 in words is "sixty-eight billion, one hundred seventy-seven million, three hundred forty-three thousand, seven hundred sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.062 sec. • engine limits •