Base | Representation |
---|---|
bin | 11111010000001101010101… |
… | …00101100000100101000010 |
3 | 100000100012110021012120102111 |
4 | 33220012222211200211002 |
5 | 33002004121204202121 |
6 | 402100325111405534 |
7 | 20322223023245101 |
oct | 1750065245404502 |
9 | 300305407176374 |
10 | 68726633662786 |
11 | 1a997890003aa0 |
12 | 785b8226838aa |
13 | 2c46b80736a58 |
14 | 12d855b5dc038 |
15 | 7e2b0dde12e1 |
hex | 3e81aa960942 |
68726633662786 has 16 divisors (see below), whose sum is σ = 112556032252128. Its totient is φ = 31213193360800.
The previous prime is 68726633662769. The next prime is 68726633662787.
68726633662786 is nontrivially palindromic in base 10.
It is a super-3 number, since 3×687266336627863 (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (68726633662787) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1309252000 + ... + 1309304491.
It is an arithmetic number, because the mean of its divisors is an integer number (7034752015758).
Almost surely, 268726633662786 is an apocalyptic number.
68726633662786 is a deficient number, since it is larger than the sum of its proper divisors (43829398589342).
68726633662786 is a wasteful number, since it uses less digits than its factorization.
68726633662786 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2618557697.
The product of its digits is 5267275776, while the sum is 76.
The spelling of 68726633662786 in words is "sixty-eight trillion, seven hundred twenty-six billion, six hundred thirty-three million, six hundred sixty-two thousand, seven hundred eighty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.063 sec. • engine limits •