Base | Representation |
---|---|
bin | 101110100011… |
… | …110000101110 |
3 | 211222002020211 |
4 | 232203300232 |
5 | 11111030402 |
6 | 1113333034 |
7 | 205512250 |
oct | 56436056 |
9 | 24862224 |
10 | 12205102 |
11 | 6986968 |
12 | 410717a |
13 | 26b4470 |
14 | 1899cd0 |
15 | 11114d7 |
hex | ba3c2e |
12205102 has 16 divisors (see below), whose sum is σ = 22532832. Its totient is φ = 4828320.
The previous prime is 12205097. The next prime is 12205117. The reversal of 12205102 is 20150221.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a congruent number.
It is an unprimeable number.
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 in 7 ways as a sum of consecutive naturals, for example, 33349 + ... + 33712.
It is an arithmetic number, because the mean of its divisors is an integer number (1408302).
Almost surely, 212205102 is an apocalyptic number.
12205102 is a deficient number, since it is larger than the sum of its proper divisors (10327730).
12205102 is a wasteful number, since it uses less digits than its factorization.
12205102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67083.
The product of its (nonzero) digits is 40, while the sum is 13.
The square root of 12205102 is about 3493.5801121486. The cubic root of 12205102 is about 230.2398380330.
Adding to 12205102 its reverse (20150221), we get a palindrome (32355323).
The spelling of 12205102 in words is "twelve million, two hundred five thousand, one hundred two".
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