Base | Representation |
---|---|
bin | 100000000110001011… |
… | …0111110100010111000 |
3 | 20120220121222120211121 |
4 | 1000030112332202320 |
5 | 2112130231423210 |
6 | 51355313035024 |
7 | 4660033234315 |
oct | 1001426764270 |
9 | 216817876747 |
10 | 68926826680 |
11 | 27260440078 |
12 | 11437555a74 |
13 | 6665cca45a |
14 | 349c29bd0c |
15 | 1bd62c86da |
hex | 100c5be8b8 |
68926826680 has 64 divisors (see below), whose sum is σ = 163282442400. Its totient is φ = 26114088960.
The previous prime is 68926826677. The next prime is 68926826711. The reversal of 68926826680 is 8662862986.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6196804 + ... + 6207916.
Almost surely, 268926826680 is an apocalyptic number.
It is an amenable number.
68926826680 is an abundant number, since it is smaller than the sum of its proper divisors (94355615720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68926826680 is a wasteful number, since it uses less digits than its factorization.
68926826680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19304 (or 19300 counting only the distinct ones).
The product of its (nonzero) digits is 23887872, while the sum is 61.
The spelling of 68926826680 in words is "sixty-eight billion, nine hundred twenty-six million, eight hundred twenty-six thousand, six hundred eighty".
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