Base | Representation |
---|---|
bin | 11001010101000… |
… | …11100000111111 |
3 | 112210211012122211 |
4 | 30222203200333 |
5 | 413343411421 |
6 | 33030121251 |
7 | 5160032242 |
oct | 1452434077 |
9 | 483735584 |
10 | 212482111 |
11 | a9a38a56 |
12 | 5b1b0227 |
13 | 3503787a |
14 | 20311259 |
15 | 139c29e1 |
hex | caa383f |
212482111 has 4 divisors (see below), whose sum is σ = 223665400. Its totient is φ = 201298824.
The previous prime is 212482097. The next prime is 212482117. The reversal of 212482111 is 111284212.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 212482111 - 25 = 212482079 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212482117) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5591616 + ... + 5591653.
It is an arithmetic number, because the mean of its divisors is an integer number (55916350).
Almost surely, 2212482111 is an apocalyptic number.
212482111 is a deficient number, since it is larger than the sum of its proper divisors (11183289).
212482111 is a wasteful number, since it uses less digits than its factorization.
212482111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11183288.
The product of its digits is 256, while the sum is 22.
The square root of 212482111 is about 14576.7661365613. The cubic root of 212482111 is about 596.7248502225.
The spelling of 212482111 in words is "two hundred twelve million, four hundred eighty-two thousand, one hundred eleven".
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