Base | Representation |
---|---|
bin | 101110100101… |
… | …110001010101 |
3 | 211222111112200 |
4 | 232211301111 |
5 | 11111311313 |
6 | 1113435113 |
7 | 205545246 |
oct | 56456125 |
9 | 24874480 |
10 | 12213333 |
11 | 6992070 |
12 | 410ba99 |
13 | 26b8132 |
14 | 189cccd |
15 | 1113b73 |
hex | ba5c55 |
12213333 has 48 divisors (see below), whose sum is σ = 20866560. Its totient is φ = 6804000.
The previous prime is 12213329. The next prime is 12213347. The reversal of 12213333 is 33331221.
It is not a de Polignac number, because 12213333 - 22 = 12213329 is a prime.
12213333 is a modest number, since divided by 3333 gives 1221 as remainder.
It is a plaindrome in base 14.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12213353) by changing a digit.
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 47 ways as a sum of consecutive naturals, for example, 80808 + ... + 80958.
It is an arithmetic number, because the mean of its divisors is an integer number (434720).
Almost surely, 212213333 is an apocalyptic number.
It is an amenable number.
12213333 is a deficient number, since it is larger than the sum of its proper divisors (8653227).
12213333 is a wasteful number, since it uses less digits than its factorization.
12213333 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 230 (or 227 counting only the distinct ones).
The product of its digits is 324, while the sum is 18.
The square root of 12213333 is about 3494.7579315312. The cubic root of 12213333 is about 230.2915835585.
Adding to 12213333 its reverse (33331221), we get a palindrome (45544554).
It can be divided in two parts, 1221 and 3333, that added together give a palindrome (4554).
The spelling of 12213333 in words is "twelve million, two hundred thirteen thousand, three hundred thirty-three".
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