Base | Representation |
---|---|
bin | 111111111011101111… |
… | …101010010011001110 |
3 | 20120012012111000201001 |
4 | 333323233222103032 |
5 | 2111042402202221 |
6 | 51311514410514 |
7 | 4650110043406 |
oct | 777357522316 |
9 | 216165430631 |
10 | 68648084686 |
11 | 27128066095 |
12 | 1137a130a3a |
13 | 662033356c |
14 | 347325d806 |
15 | 1bbbab8391 |
hex | ffbbea4ce |
68648084686 has 8 divisors (see below), whose sum is σ = 106522890120. Its totient is φ = 33140454648.
The previous prime is 68648084639. The next prime is 68648084719.
68648084686 is nontrivially palindromic in base 10.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 591793776 + ... + 591793891.
It is an arithmetic number, because the mean of its divisors is an integer number (13315361265).
Almost surely, 268648084686 is an apocalyptic number.
68648084686 is a deficient number, since it is larger than the sum of its proper divisors (37874805434).
68648084686 is a wasteful number, since it uses less digits than its factorization.
68648084686 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1183587698.
The product of its (nonzero) digits is 84934656, while the sum is 64.
The spelling of 68648084686 in words is "sixty-eight billion, six hundred forty-eight million, eighty-four thousand, six hundred eighty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •