Base | Representation |
---|---|
bin | 101110100000… |
… | …110110111100 |
3 | 211221110221110 |
4 | 232200312330 |
5 | 11110140322 |
6 | 1113202020 |
7 | 205432503 |
oct | 56406674 |
9 | 24843843 |
10 | 12193212 |
11 | 6978a39 |
12 | 4100310 |
13 | 26abc25 |
14 | 189583a |
15 | 110cc0c |
hex | ba0dbc |
12193212 has 24 divisors (see below), whose sum is σ = 29948800. Its totient is φ = 3850416.
The previous prime is 12193211. The next prime is 12193241. The reversal of 12193212 is 21239121.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12193211) by changing a digit.
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, 26512 + ... + 26967.
Almost surely, 212193212 is an apocalyptic number.
12193212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12193212 is an abundant number, since it is smaller than the sum of its proper divisors (17755588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12193212 is a wasteful number, since it uses less digits than its factorization.
12193212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53505 (or 53503 counting only the distinct ones).
The product of its digits is 216, while the sum is 21.
The square root of 12193212 is about 3491.8780047419. The cubic root of 12193212 is about 230.1650485142.
The spelling of 12193212 in words is "twelve million, one hundred ninety-three thousand, two hundred twelve".
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