Base | Representation |
---|---|
bin | 101110100010… |
… | …100011000111 |
3 | 211221211102212 |
4 | 232202203013 |
5 | 11110401020 |
6 | 1113254035 |
7 | 205461623 |
oct | 56424307 |
9 | 24854385 |
10 | 12200135 |
11 | 6983162 |
12 | 410431b |
13 | 26b211c |
14 | 1898183 |
15 | 110ecc5 |
hex | ba28c7 |
12200135 has 12 divisors (see below), whose sum is σ = 15553848. Its totient is φ = 9184896.
The previous prime is 12200129. The next prime is 12200137. The reversal of 12200135 is 53100221.
It is a happy number.
12200135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12200135 - 28 = 12199879 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 (12200137) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2777 + ... + 5666.
It is an arithmetic number, because the mean of its divisors is an integer number (1296154).
Almost surely, 212200135 is an apocalyptic number.
12200135 is a deficient number, since it is larger than the sum of its proper divisors (3353713).
12200135 is an equidigital number, since it uses as much as digits as its factorization.
12200135 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8482 (or 8465 counting only the distinct ones).
The product of its (nonzero) digits is 60, while the sum is 14.
The square root of 12200135 is about 3492.8691644549. The cubic root of 12200135 is about 230.2086009201.
Adding to 12200135 its reverse (53100221), we get a palindrome (65300356).
The spelling of 12200135 in words is "twelve million, two hundred thousand, one hundred thirty-five".
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