Base | Representation |
---|---|
bin | 1110100011110… |
… | …01101011011101 |
3 | 22111211000021100 |
4 | 13101321223131 |
5 | 222231230323 |
6 | 20041423313 |
7 | 3012054336 |
oct | 721715335 |
9 | 274730240 |
10 | 122133213 |
11 | 62a39544 |
12 | 34a9ab39 |
13 | 1c3c2b97 |
14 | 1231328d |
15 | aac7943 |
hex | 7479add |
122133213 has 12 divisors (see below), whose sum is σ = 180168768. Its totient is φ = 79689480.
The previous prime is 122133203. The next prime is 122133217. The reversal of 122133213 is 312331221.
It is not a de Polignac number, because 122133213 - 29 = 122132701 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122133217) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143943 + ... + 144788.
It is an arithmetic number, because the mean of its divisors is an integer number (15014064).
Almost surely, 2122133213 is an apocalyptic number.
It is an amenable number.
122133213 is a deficient number, since it is larger than the sum of its proper divisors (58035555).
122133213 is a wasteful number, since it uses less digits than its factorization.
122133213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 288784 (or 288781 counting only the distinct ones).
The product of its digits is 216, while the sum is 18.
The square root of 122133213 is about 11051.3896411266. The cubic root of 122133213 is about 496.1480180092.
Adding to 122133213 its reverse (312331221), we get a palindrome (434464434).
The spelling of 122133213 in words is "one hundred twenty-two million, one hundred thirty-three thousand, two hundred thirteen".
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