Base | Representation |
---|---|
bin | 111111110010100100… |
… | …111100110011000110 |
3 | 20112210111002000222112 |
4 | 333302210330303012 |
5 | 2110234014010201 |
6 | 51244342101022 |
7 | 4643231535020 |
oct | 776244746306 |
9 | 215714060875 |
10 | 68494281926 |
11 | 27059266874 |
12 | 1133671a772 |
13 | 65c7502805 |
14 | 345aa65010 |
15 | 1bad3370bb |
hex | ff293ccc6 |
68494281926 has 32 divisors (see below), whose sum is σ = 119664615168. Its totient is φ = 28793512800.
The previous prime is 68494281923. The next prime is 68494282027. The reversal of 68494281926 is 62918249486.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68494281923) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3703001 + ... + 3721451.
It is an arithmetic number, because the mean of its divisors is an integer number (3739519224).
Almost surely, 268494281926 is an apocalyptic number.
68494281926 is a deficient number, since it is larger than the sum of its proper divisors (51170333242).
68494281926 is a wasteful number, since it uses less digits than its factorization.
68494281926 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23516.
The product of its digits is 11943936, while the sum is 59.
The spelling of 68494281926 in words is "sixty-eight billion, four hundred ninety-four million, two hundred eighty-one thousand, nine hundred twenty-six".
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