Base | Representation |
---|---|
bin | 10000110011011110… |
… | …010111100100101011 |
3 | 1201120110222011000101 |
4 | 100303132113210223 |
5 | 243423111434300 |
6 | 12142234050231 |
7 | 1206063643123 |
oct | 206336274453 |
9 | 51513864011 |
10 | 18043468075 |
11 | 771a081696 |
12 | 35b6879977 |
13 | 191723c839 |
14 | c32503c83 |
15 | 7090e2b6a |
hex | 43379792b |
18043468075 has 12 divisors (see below), whose sum is σ = 23690012760. Its totient is φ = 13585669760.
The previous prime is 18043468061. The next prime is 18043468111. The reversal of 18043468075 is 57086434081.
It is a happy number.
It is not a de Polignac number, because 18043468075 - 25 = 18043468043 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21227185 + ... + 21228034.
It is an arithmetic number, because the mean of its divisors is an integer number (1974167730).
Almost surely, 218043468075 is an apocalyptic number.
18043468075 is a deficient number, since it is larger than the sum of its proper divisors (5646544685).
18043468075 is a wasteful number, since it uses less digits than its factorization.
18043468075 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42455246 (or 42455241 counting only the distinct ones).
The product of its (nonzero) digits is 645120, while the sum is 46.
The spelling of 18043468075 in words is "eighteen billion, forty-three million, four hundred sixty-eight thousand, seventy-five".
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