Base | Representation |
---|---|
bin | 10001001101100111… |
… | …101001111000001110 |
3 | 1202201001100110120100 |
4 | 101031213221320032 |
5 | 300322410004331 |
6 | 12253543431530 |
7 | 1223001225345 |
oct | 211547517016 |
9 | 52631313510 |
10 | 18482109966 |
11 | 792473a851 |
12 | 36b97555a6 |
13 | 1987090758 |
14 | c74886b5c |
15 | 73288aae6 |
hex | 44d9e9e0e |
18482109966 has 24 divisors (see below), whose sum is σ = 40051261224. Its totient is φ = 6159674160.
The previous prime is 18482109953. The next prime is 18482109967. The reversal of 18482109966 is 66990128481.
18482109966 is a `hidden beast` number, since 1 + 8 + 482 + 10 + 99 + 66 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18482109967) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29140 + ... + 194456.
It is an arithmetic number, because the mean of its divisors is an integer number (1668802551).
Almost surely, 218482109966 is an apocalyptic number.
18482109966 is an abundant number, since it is smaller than the sum of its proper divisors (21569151258).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18482109966 is a wasteful number, since it uses less digits than its factorization.
18482109966 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 171536 (or 171533 counting only the distinct ones).
The product of its (nonzero) digits is 1492992, while the sum is 54.
The spelling of 18482109966 in words is "eighteen billion, four hundred eighty-two million, one hundred nine thousand, nine hundred sixty-six".
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