Base | Representation |
---|---|
bin | 11001111111111… |
… | …11100011111110 |
3 | 120012101201201101 |
4 | 30333333203332 |
5 | 421313231024 |
6 | 33350403314 |
7 | 5255556634 |
oct | 1477774376 |
9 | 505351641 |
10 | 218102014 |
11 | 1021272a9 |
12 | 6106053a |
13 | 36254860 |
14 | 20d75354 |
15 | 14232c44 |
hex | cfff8fe |
218102014 has 8 divisors (see below), whose sum is σ = 352318680. Its totient is φ = 100662456.
The previous prime is 218102009. The next prime is 218102021. The reversal of 218102014 is 410201812.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 218101982 and 218102000.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4194244 + ... + 4194295.
It is an arithmetic number, because the mean of its divisors is an integer number (44039835).
Almost surely, 2218102014 is an apocalyptic number.
218102014 is a deficient number, since it is larger than the sum of its proper divisors (134216666).
218102014 is a wasteful number, since it uses less digits than its factorization.
218102014 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8388554.
The product of its (nonzero) digits is 128, while the sum is 19.
The square root of 218102014 is about 14768.2772861292. The cubic root of 218102014 is about 601.9400296401.
Adding to 218102014 its reverse (410201812), we get a palindrome (628303826).
The spelling of 218102014 in words is "two hundred eighteen million, one hundred two thousand, fourteen".
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