Base | Representation |
---|---|
bin | 10000111000101000… |
… | …101001111011100000 |
3 | 1201210111220000011101 |
4 | 100320220221323200 |
5 | 244112243111114 |
6 | 12155005524144 |
7 | 1211164613626 |
oct | 207050517340 |
9 | 51714800141 |
10 | 18130050784 |
11 | 7763a3954a |
12 | 361b873654 |
13 | 192c166201 |
14 | c3dc01516 |
15 | 7119e6d74 |
hex | 438a29ee0 |
18130050784 has 24 divisors (see below), whose sum is σ = 36523622520. Its totient is φ = 8854210176.
The previous prime is 18130050779. The next prime is 18130050793. The reversal of 18130050784 is 48705003181.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6586579 + ... + 6589330.
It is an arithmetic number, because the mean of its divisors is an integer number (1521817605).
Almost surely, 218130050784 is an apocalyptic number.
It is an amenable number.
18130050784 is an abundant number, since it is smaller than the sum of its proper divisors (18393571736).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18130050784 is a wasteful number, since it uses less digits than its factorization.
18130050784 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13175962 (or 13175954 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 37.
The spelling of 18130050784 in words is "eighteen billion, one hundred thirty million, fifty thousand, seven hundred eighty-four".
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