Base | Representation |
---|---|
bin | 101110100011… |
… | …110000110100 |
3 | 211222002021001 |
4 | 232203300310 |
5 | 11111030413 |
6 | 1113333044 |
7 | 205512256 |
oct | 56436064 |
9 | 24862231 |
10 | 12205108 |
11 | 6986973 |
12 | 4107184 |
13 | 26b4476 |
14 | 1899cd6 |
15 | 11114dd |
hex | ba3c34 |
12205108 has 12 divisors (see below), whose sum is σ = 21398692. Its totient is φ = 6091200.
The previous prime is 12205097. The next prime is 12205117. The reversal of 12205108 is 80150221.
12205108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 11209104 + 996004 = 3348^2 + 998^2 .
It is a super-2 number, since 2×122051082 = 297929322583328, which contains 22 as substring.
It is a plaindrome in base 15.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135 + ... + 4942.
Almost surely, 212205108 is an apocalyptic number.
It is an amenable number.
12205108 is a deficient number, since it is larger than the sum of its proper divisors (9193584).
12205108 is a wasteful number, since it uses less digits than its factorization.
12205108 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5682 (or 5680 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 19.
The square root of 12205108 is about 3493.5809708664. The cubic root of 12205108 is about 230.2398757614.
Adding to 12205108 its reverse (80150221), we get a palindrome (92355329).
It can be divided in two parts, 1220 and 5108, that added together give a triangular number (6328 = T112).
The spelling of 12205108 in words is "twelve million, two hundred five thousand, one hundred eight".
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