Base | Representation |
---|---|
bin | 10000110100111011… |
… | …111000100001011000 |
3 | 1201122012002121101020 |
4 | 100310323320201120 |
5 | 244000400414144 |
6 | 12144511322440 |
7 | 1206512213412 |
oct | 206473704130 |
9 | 51565077336 |
10 | 18067982424 |
11 | 77319a5688 |
12 | 3602b20420 |
13 | 191c34397b |
14 | c358859b2 |
15 | 70b336419 |
hex | 434ef8858 |
18067982424 has 32 divisors (see below), whose sum is σ = 45174415920. Its totient is φ = 6022066176.
The previous prime is 18067982407. The next prime is 18067982461. The reversal of 18067982424 is 42428976081.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259212 + ... + 321444.
Almost surely, 218067982424 is an apocalyptic number.
It is an amenable number.
18067982424 is an abundant number, since it is smaller than the sum of its proper divisors (27106433496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18067982424 is a wasteful number, since it uses less digits than its factorization.
18067982424 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74339 (or 74335 counting only the distinct ones).
The product of its (nonzero) digits is 1548288, while the sum is 51.
The spelling of 18067982424 in words is "eighteen billion, sixty-seven million, nine hundred eighty-two thousand, four hundred twenty-four".
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