Base | Representation |
---|---|
bin | 100000001100010001100… |
… | …000111101111000111111 |
3 | 21211111002011100222111010 |
4 | 200030101200331320333 |
5 | 242221042203342343 |
6 | 4412134354330303 |
7 | 315553266563520 |
oct | 40142140757077 |
9 | 7744064328433 |
10 | 2212202012223 |
11 | 78320a400405 |
12 | 2b88a5b89993 |
13 | 1307c0828208 |
14 | 790dd336847 |
15 | 3c8277c7d33 |
hex | 2031183de3f |
2212202012223 has 32 divisors (see below), whose sum is σ = 3479860080640. Its totient is φ = 1223286727680.
The previous prime is 2212202012197. The next prime is 2212202012231. The reversal of 2212202012223 is 3222102022122.
It is not a de Polignac number, because 2212202012223 - 213 = 2212202004031 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2212202012223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2212202002223) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20006733 + ... + 20117001.
It is an arithmetic number, because the mean of its divisors is an integer number (108745627520).
Almost surely, 22212202012223 is an apocalyptic number.
2212202012223 is a deficient number, since it is larger than the sum of its proper divisors (1267658068417).
2212202012223 is a wasteful number, since it uses less digits than its factorization.
2212202012223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141127.
The product of its (nonzero) digits is 768, while the sum is 21.
Adding to 2212202012223 its reverse (3222102022122), we get a palindrome (5434304034345).
The spelling of 2212202012223 in words is "two trillion, two hundred twelve billion, two hundred two million, twelve thousand, two hundred twenty-three".
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