Base | Representation |
---|---|
bin | 11001111111100… |
… | …01011001100110 |
3 | 120012021210010221 |
4 | 30333301121212 |
5 | 421304402011 |
6 | 33345234554 |
7 | 5255225545 |
oct | 1477613146 |
9 | 505253127 |
10 | 218044006 |
11 | 102097764 |
12 | 61032a5a |
13 | 3623432b |
14 | 20d5c15c |
15 | 14220971 |
hex | cff1666 |
218044006 has 16 divisors (see below), whose sum is σ = 347239440. Its totient is φ = 102332160.
The previous prime is 218043983. The next prime is 218044031. The reversal of 218044006 is 600440812.
218044006 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4426 + ... + 21346.
It is an arithmetic number, because the mean of its divisors is an integer number (21702465).
Almost surely, 2218044006 is an apocalyptic number.
218044006 is a deficient number, since it is larger than the sum of its proper divisors (129195434).
218044006 is a wasteful number, since it uses less digits than its factorization.
218044006 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17319.
The product of its (nonzero) digits is 1536, while the sum is 25.
The square root of 218044006 is about 14766.3132162365. The cubic root of 218044006 is about 601.8866594569.
Adding to 218044006 its reverse (600440812), we get a palindrome (818484818).
The spelling of 218044006 in words is "two hundred eighteen million, forty-four thousand, six".
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