Base | Representation |
---|---|
bin | 10001100110010101… |
… | …000111010010110100 |
3 | 1210202221102210220100 |
4 | 101212111013102310 |
5 | 302200022230431 |
6 | 12403033234100 |
7 | 1236164062566 |
oct | 214625072264 |
9 | 53687383810 |
10 | 18896680116 |
11 | 8017757506 |
12 | 37b4562930 |
13 | 1a21c33b32 |
14 | cb3961336 |
15 | 758e7b4e6 |
hex | 4665474b4 |
18896680116 has 18 divisors (see below), whose sum is σ = 47766608162. Its totient is φ = 6298893360.
The previous prime is 18896680093. The next prime is 18896680129. The reversal of 18896680116 is 61108669881.
It can be written as a sum of positive squares in only one way, i.e., 17910468900 + 986211216 = 133830^2 + 31404^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 262453855 + ... + 262453926.
Almost surely, 218896680116 is an apocalyptic number.
It is an amenable number.
18896680116 is an abundant number, since it is smaller than the sum of its proper divisors (28869928046).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18896680116 is a wasteful number, since it uses less digits than its factorization.
18896680116 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 524907791 (or 524907786 counting only the distinct ones).
The product of its (nonzero) digits is 995328, while the sum is 54.
The spelling of 18896680116 in words is "eighteen billion, eight hundred ninety-six million, six hundred eighty thousand, one hundred sixteen".
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