Base | Representation |
---|---|
bin | 111111101110100011… |
… | …100010110000101101 |
3 | 20112121210002211001001 |
4 | 333232203202300231 |
5 | 2110114230214034 |
6 | 51233531520301 |
7 | 4641452145115 |
oct | 775643426055 |
9 | 215553084031 |
10 | 68426804269 |
11 | 2702416890a |
12 | 11317bb9091 |
13 | 65b65380c5 |
14 | 3451adc045 |
15 | 1ba7458a14 |
hex | fee8e2c2d |
68426804269 has 8 divisors (see below), whose sum is σ = 72302091840. Its totient is φ = 64578904416.
The previous prime is 68426804263. The next prime is 68426804321. The reversal of 68426804269 is 96240862486.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 68426804269 - 229 = 67889933357 is a prime.
It is a super-2 number, since 2×684268042692 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68426804263) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6841792 + ... + 6851785.
It is an arithmetic number, because the mean of its divisors is an integer number (9037761480).
Almost surely, 268426804269 is an apocalyptic number.
It is an amenable number.
68426804269 is a deficient number, since it is larger than the sum of its proper divisors (3875287571).
68426804269 is a wasteful number, since it uses less digits than its factorization.
68426804269 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13693859.
The product of its (nonzero) digits is 7962624, while the sum is 55.
The spelling of 68426804269 in words is "sixty-eight billion, four hundred twenty-six million, eight hundred four thousand, two hundred sixty-nine".
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