Base | Representation |
---|---|
bin | 10110110001001111… |
… | …01111001101000101 |
3 | 1011112221001020101011 |
4 | 23120213233031011 |
5 | 200013400331323 |
6 | 5340555402221 |
7 | 611633146066 |
oct | 133047571505 |
9 | 34487036334 |
10 | 12224230213 |
11 | 52032940a8 |
12 | 2451a53371 |
13 | 11ca753820 |
14 | 83d70a56d |
15 | 4b82b420d |
hex | 2d89ef345 |
12224230213 has 8 divisors (see below), whose sum is σ = 13167679448. Its totient is φ = 11281227264.
The previous prime is 12224230181. The next prime is 12224230219. The reversal of 12224230213 is 31203242221.
It can be written as a sum of positive squares in 4 ways, for example, as 230037889 + 11994192324 = 15167^2 + 109518^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12224230213 - 25 = 12224230181 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 (12224230219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53556 + ... + 165277.
It is an arithmetic number, because the mean of its divisors is an integer number (1645959931).
Almost surely, 212224230213 is an apocalyptic number.
12224230213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
12224230213 is a deficient number, since it is larger than the sum of its proper divisors (943449235).
12224230213 is a wasteful number, since it uses less digits than its factorization.
12224230213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 223143.
The product of its (nonzero) digits is 1152, while the sum is 22.
Adding to 12224230213 its reverse (31203242221), we get a palindrome (43427472434).
The spelling of 12224230213 in words is "twelve billion, two hundred twenty-four million, two hundred thirty thousand, two hundred thirteen".
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