Base | Representation |
---|---|
bin | 10001001100000001… |
… | …111110011011111010 |
3 | 1202122012012021111020 |
4 | 101030001332123322 |
5 | 300244044033412 |
6 | 12251152243310 |
7 | 1222225532442 |
oct | 211401763372 |
9 | 52565167436 |
10 | 18455455482 |
11 | 7910694952 |
12 | 36b0840536 |
13 | 19816ba479 |
14 | c71109122 |
15 | 73037318c |
hex | 44c07e6fa |
18455455482 has 32 divisors (see below), whose sum is σ = 37440857664. Its totient is φ = 6064032000.
The previous prime is 18455455471. The next prime is 18455455483. The reversal of 18455455482 is 28455455481.
It is not an unprimeable number, because it can be changed into a prime (18455455483) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70482 + ... + 204642.
It is an arithmetic number, because the mean of its divisors is an integer number (1170026802).
Almost surely, 218455455482 is an apocalyptic number.
18455455482 is an abundant number, since it is smaller than the sum of its proper divisors (18985402182).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18455455482 is a wasteful number, since it uses less digits than its factorization.
18455455482 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 134494.
The product of its digits is 5120000, while the sum is 51.
Subtracting 18455455482 from its reverse (28455455481), we obtain a palindrome (9999999999).
The spelling of 18455455482 in words is "eighteen billion, four hundred fifty-five million, four hundred fifty-five thousand, four hundred eighty-two".
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