Base | Representation |
---|---|
bin | 11001111111001… |
… | …11110110110010 |
3 | 120012012210112002 |
4 | 30333213312302 |
5 | 421302124124 |
6 | 33344334002 |
7 | 5255003561 |
oct | 1477476662 |
9 | 505183462 |
10 | 218004914 |
11 | 102070356 |
12 | 61014302 |
13 | 3621c5ba |
14 | 20d4bbd8 |
15 | 142140ae |
hex | cfe7db2 |
218004914 has 4 divisors (see below), whose sum is σ = 327007374. Its totient is φ = 109002456.
The previous prime is 218004893. The next prime is 218004931. The reversal of 218004914 is 419400812.
218004914 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 162129289 + 55875625 = 12733^2 + 7475^2 .
It is a super-2 number, since 2×2180049142 = 95052285056294792, which contains 22 as substring.
218004914 is a modest number, since divided by 4914 gives 218 as remainder.
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 as a sum of consecutive naturals, namely, 54501227 + ... + 54501230.
Almost surely, 2218004914 is an apocalyptic number.
218004914 is a deficient number, since it is larger than the sum of its proper divisors (109002460).
218004914 is a wasteful number, since it uses less digits than its factorization.
218004914 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 109002459.
The product of its (nonzero) digits is 2304, while the sum is 29.
The square root of 218004914 is about 14764.9894683335. The cubic root of 218004914 is about 601.8506875752.
The spelling of 218004914 in words is "two hundred eighteen million, four thousand, nine hundred fourteen".
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