Base | Representation |
---|---|
bin | 100011110001001… |
… | …1001101000011111 |
3 | 10002122101111012010 |
4 | 1013202121220133 |
5 | 4424222401343 |
6 | 315032242303 |
7 | 41512351005 |
oct | 10742315037 |
9 | 3078344163 |
10 | 1200200223 |
11 | 566533212 |
12 | 295b40393 |
13 | 161864661 |
14 | b5582a75 |
15 | 70579d33 |
hex | 47899a1f |
1200200223 has 4 divisors (see below), whose sum is σ = 1600266968. Its totient is φ = 800133480.
The previous prime is 1200200213. The next prime is 1200200249. The reversal of 1200200223 is 3220020021.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 1200200223 - 24 = 1200200207 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1200200199 and 1200200208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1200200203) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200033368 + ... + 200033373.
It is an arithmetic number, because the mean of its divisors is an integer number (400066742).
Almost surely, 21200200223 is an apocalyptic number.
1200200223 is a deficient number, since it is larger than the sum of its proper divisors (400066745).
1200200223 is an equidigital number, since it uses as much as digits as its factorization.
1200200223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 400066744.
The product of its (nonzero) digits is 48, while the sum is 12.
The square root of 1200200223 is about 34643.9060009116. The cubic root of 1200200223 is about 1062.7176683088.
Adding to 1200200223 its reverse (3220020021), we get a palindrome (4420220244).
The spelling of 1200200223 in words is "one billion, two hundred million, two hundred thousand, two hundred twenty-three".
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