Base | Representation |
---|---|
bin | 11001110001101… |
… | …00000111010110 |
3 | 120001212010020112 |
4 | 30320310013112 |
5 | 420323020433 |
6 | 33242203022 |
7 | 5233561232 |
oct | 1470640726 |
9 | 501763215 |
10 | 216220118 |
11 | 101061414 |
12 | 604b3472 |
13 | 35a460ca |
14 | 20a055c2 |
15 | 13eb0348 |
hex | ce341d6 |
216220118 has 4 divisors (see below), whose sum is σ = 324330180. Its totient is φ = 108110058.
The previous prime is 216220117. The next prime is 216220153. The reversal of 216220118 is 811022612.
216220118 is digitally balanced in base 2, 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 is a super-2 number, since 2×2162201182 = 93502278855867848, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 216220093 and 216220102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (216220117) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54055028 + ... + 54055031.
It is an arithmetic number, because the mean of its divisors is an integer number (81082545).
Almost surely, 2216220118 is an apocalyptic number.
216220118 is a deficient number, since it is larger than the sum of its proper divisors (108110062).
216220118 is a wasteful number, since it uses less digits than its factorization.
216220118 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 108110061.
The product of its (nonzero) digits is 384, while the sum is 23.
The square root of 216220118 is about 14704.4251162703. The cubic root of 216220118 is about 600.2037437693.
The spelling of 216220118 in words is "two hundred sixteen million, two hundred twenty thousand, one hundred eighteen".
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