Base | Representation |
---|---|
bin | 111111100010011000… |
… | …111111111000000000 |
3 | 20112002120001220220220 |
4 | 333202120333320000 |
5 | 2104210003311334 |
6 | 51201401303040 |
7 | 4633423331622 |
oct | 774230777000 |
9 | 215076056826 |
10 | 68222713344 |
11 | 26a29a41325 |
12 | 1127b794a80 |
13 | 658317aa46 |
14 | 3432972c12 |
15 | 1b94592449 |
hex | fe263fe00 |
68222713344 has 80 divisors (see below), whose sum is σ = 189651825792. Its totient is φ = 21752158208.
The previous prime is 68222713327. The next prime is 68222713393. The reversal of 68222713344 is 44331722286.
It is a junction number, because it is equal to n+sod(n) for n = 68222713296 and 68222713305.
It is a congruent number.
It is an unprimeable number.
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, 930234 + ... + 1000889.
Almost surely, 268222713344 is an apocalyptic number.
68222713344 is a gapful number since it is divisible by the number (64) formed by its first and last digit.
It is an amenable number.
68222713344 is an abundant number, since it is smaller than the sum of its proper divisors (121429112448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68222713344 is a wasteful number, since it uses less digits than its factorization.
68222713344 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1931167 (or 1931151 counting only the distinct ones).
The product of its digits is 387072, while the sum is 42.
The spelling of 68222713344 in words is "sixty-eight billion, two hundred twenty-two million, seven hundred thirteen thousand, three hundred forty-four".
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