Base | Representation |
---|---|
bin | 10110100100110100… |
… | …01000011010000101 |
3 | 1011021122220210120211 |
4 | 23102122020122011 |
5 | 144310210001013 |
6 | 5322353355421 |
7 | 606226205233 |
oct | 132232103205 |
9 | 34248823524 |
10 | 12120000133 |
11 | 515a47353a |
12 | 2422b68b71 |
13 | 11b1c8b817 |
14 | 82d937953 |
15 | 4ae07623d |
hex | 2d2688685 |
12120000133 has 4 divisors (see below), whose sum is σ = 12123287488. Its totient is φ = 12116712780.
The previous prime is 12120000107. The next prime is 12120000161. The reversal of 12120000133 is 33100002121.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33100002121 = 23 ⋅1439130527.
It is a cyclic number.
It is not a de Polignac number, because 12120000133 - 217 = 12119869061 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 (12120000533) 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, 1638141 + ... + 1645522.
It is an arithmetic number, because the mean of its divisors is an integer number (3030821872).
Almost surely, 212120000133 is an apocalyptic number.
It is an amenable number.
12120000133 is a deficient number, since it is larger than the sum of its proper divisors (3287355).
12120000133 is an equidigital number, since it uses as much as digits as its factorization.
12120000133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3287354.
The product of its (nonzero) digits is 36, while the sum is 13.
Adding to 12120000133 its reverse (33100002121), we get a palindrome (45220002254).
The spelling of 12120000133 in words is "twelve billion, one hundred twenty million, one hundred thirty-three", and thus it is an aban number.
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