Base | Representation |
---|---|
bin | 10000111011110110… |
… | …100101010001000001 |
3 | 1201221021110121022111 |
4 | 100323312211101001 |
5 | 244220103031340 |
6 | 12204214535321 |
7 | 1212421506322 |
oct | 207366452101 |
9 | 51837417274 |
10 | 18184033345 |
11 | 779145a435 |
12 | 3635967541 |
13 | 193a3b725a |
14 | c47054449 |
15 | 71660baea |
hex | 43bda5441 |
18184033345 has 16 divisors (see below), whose sum is σ = 22196442240. Its totient is φ = 14296953600.
The previous prime is 18184033313. The next prime is 18184033349. The reversal of 18184033345 is 54333048181.
It is not a de Polignac number, because 18184033345 - 25 = 18184033313 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 18184033298 and 18184033307.
It is not an unprimeable number, because it can be changed into a prime (18184033349) 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, 1907140 + ... + 1916650.
It is an arithmetic number, because the mean of its divisors is an integer number (1387277640).
Almost surely, 218184033345 is an apocalyptic number.
It is an amenable number.
18184033345 is a deficient number, since it is larger than the sum of its proper divisors (4012408895).
18184033345 is an equidigital number, since it uses as much as digits as its factorization.
18184033345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16056.
The product of its (nonzero) digits is 138240, while the sum is 40.
The spelling of 18184033345 in words is "eighteen billion, one hundred eighty-four million, thirty-three thousand, three hundred forty-five".
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