Base | Representation |
---|---|
bin | 11001111111011… |
… | …01000000100000 |
3 | 120012020212110122 |
4 | 30333231000200 |
5 | 421303313031 |
6 | 33345015412 |
7 | 5255122235 |
oct | 1477550040 |
9 | 505225418 |
10 | 218026016 |
11 | 10208519a |
12 | 61024568 |
13 | 362290a0 |
14 | 20d5578c |
15 | 1421a47b |
hex | cfed020 |
218026016 has 48 divisors (see below), whose sum is σ = 482376384. Its totient is φ = 96248064.
The previous prime is 218026001. The next prime is 218026021. The reversal of 218026016 is 610620812.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1826 + ... + 20961.
It is an arithmetic number, because the mean of its divisors is an integer number (10049508).
Almost surely, 2218026016 is an apocalyptic number.
218026016 is a gapful number since it is divisible by the number (26) formed by its first and last digit.
It is an amenable number.
218026016 is an abundant number, since it is smaller than the sum of its proper divisors (264350368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
218026016 is a wasteful number, since it uses less digits than its factorization.
218026016 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22833 (or 22825 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 26.
The square root of 218026016 is about 14765.7040468784. The cubic root of 218026016 is about 601.8701058584.
Adding to 218026016 its reverse (610620812), we get a palindrome (828646828).
The spelling of 218026016 in words is "two hundred eighteen million, twenty-six thousand, sixteen".
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