Base | Representation |
---|---|
bin | 11001010011000… |
… | …01100100111110 |
3 | 112210022111011211 |
4 | 30221201210332 |
5 | 413311241110 |
6 | 33020235034 |
7 | 5154525652 |
oct | 1451414476 |
9 | 483274154 |
10 | 212212030 |
11 | a9874048 |
12 | 5b09ba7a |
13 | 34c71964 |
14 | 20280a62 |
15 | 1396c98a |
hex | ca6193e |
212212030 has 32 divisors (see below), whose sum is σ = 402361344. Its totient is φ = 80426016.
The previous prime is 212211997. The next prime is 212212051. The reversal of 212212030 is 30212212.
212212030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 212212030.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20299 + ... + 28921.
It is an arithmetic number, because the mean of its divisors is an integer number (12573792).
Almost surely, 2212212030 is an apocalyptic number.
212212030 is a deficient number, since it is larger than the sum of its proper divisors (190149314).
212212030 is a wasteful number, since it uses less digits than its factorization.
212212030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8760.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 212212030 is about 14567.4990990218. The cubic root of 212212030 is about 596.4719153979.
Adding to 212212030 its reverse (30212212), we get a palindrome (242424242).
The spelling of 212212030 in words is "two hundred twelve million, two hundred twelve thousand, thirty".
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