Base | Representation |
---|---|
bin | 101110010010… |
… | …001111010101 |
3 | 211211102210201 |
4 | 232102033111 |
5 | 11101231313 |
6 | 1112020501 |
7 | 205063102 |
oct | 56221725 |
9 | 24742721 |
10 | 12133333 |
11 | 6937a53 |
12 | 4091731 |
13 | 268a8b4 |
14 | 187baa9 |
15 | 10ea0dd |
hex | b923d5 |
12133333 has 2 divisors, whose sum is σ = 12133334. Its totient is φ = 12133332.
The previous prime is 12133321. The next prime is 12133367. The reversal of 12133333 is 33333121.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 8773444 + 3359889 = 2962^2 + 1833^2 .
It is a cyclic number.
It is not a de Polignac number, because 12133333 - 25 = 12133301 is a prime.
12133333 is a modest number, since divided by 3333 gives 1213 as remainder.
It is a self number, because there is not a number n which added to its sum of digits gives 12133333.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12134333) 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 as a sum of consecutive naturals, namely, 6066666 + 6066667.
It is an arithmetic number, because the mean of its divisors is an integer number (6066667).
Almost surely, 212133333 is an apocalyptic number.
It is an amenable number.
12133333 is a deficient number, since it is larger than the sum of its proper divisors (1).
12133333 is an equidigital number, since it uses as much as digits as its factorization.
12133333 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 486, while the sum is 19.
The square root of 12133333 is about 3483.2934128494. The cubic root of 12133333 is about 229.7876616203.
Adding to 12133333 its reverse (33333121), we get a palindrome (45466454).
The spelling of 12133333 in words is "twelve million, one hundred thirty-three thousand, three hundred thirty-three".
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