Base | Representation |
---|---|
bin | 1100010110001001010… |
… | …1000111101100011101 |
3 | 202021110211101221010022 |
4 | 3011202111013230131 |
5 | 11433341343214323 |
6 | 241234441321525 |
7 | 21216053420243 |
oct | 3054225075435 |
9 | 667424357108 |
10 | 212103101213 |
11 | 81a52742293 |
12 | 35134a962a5 |
13 | 17002941c23 |
14 | a3a169a793 |
15 | 57b5cad4c8 |
hex | 3162547b1d |
212103101213 has 16 divisors (see below), whose sum is σ = 225258455040. Its totient is φ = 199361865600.
The previous prime is 212103101201. The next prime is 212103101237. The reversal of 212103101213 is 312101301212.
212103101213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 212103101213 - 212 = 212103097117 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 212103101191 and 212103101200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212103103213) 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 15 ways as a sum of consecutive naturals, for example, 490148 + ... + 815138.
It is an arithmetic number, because the mean of its divisors is an integer number (14078653440).
Almost surely, 2212103101213 is an apocalyptic number.
It is an amenable number.
212103101213 is a deficient number, since it is larger than the sum of its proper divisors (13155353827).
212103101213 is a wasteful number, since it uses less digits than its factorization.
212103101213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 325628.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 212103101213 its reverse (312101301212), we get a palindrome (524204402425).
The spelling of 212103101213 in words is "two hundred twelve billion, one hundred three million, one hundred one thousand, two hundred thirteen".
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