Base | Representation |
---|---|
bin | 111111111010101100… |
… | …010011101010011000 |
3 | 20120010222020222201021 |
4 | 333322230103222120 |
5 | 2111023342201222 |
6 | 51310044132224 |
7 | 4646504005165 |
oct | 777254235230 |
9 | 216128228637 |
10 | 68630428312 |
11 | 271190a6646 |
12 | 11374237074 |
13 | 6619790ac4 |
14 | 3470b8506c |
15 | 1bba27bac7 |
hex | ffab13a98 |
68630428312 has 16 divisors (see below), whose sum is σ = 130127920200. Its totient is φ = 33929649600.
The previous prime is 68630428277. The next prime is 68630428319. The reversal of 68630428312 is 21382403686.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68630428319) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48194814 + ... + 48196237.
Almost surely, 268630428312 is an apocalyptic number.
It is an amenable number.
68630428312 is a deficient number, since it is larger than the sum of its proper divisors (61497491888).
68630428312 is a wasteful number, since it uses less digits than its factorization.
68630428312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 96391146 (or 96391142 counting only the distinct ones).
The product of its (nonzero) digits is 331776, while the sum is 43.
The spelling of 68630428312 in words is "sixty-eight billion, six hundred thirty million, four hundred twenty-eight thousand, three hundred twelve".
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