Base | Representation |
---|---|
bin | 1100011010010100011… |
… | …0000010001111110100 |
3 | 202101100220002212112011 |
4 | 3012211012002033310 |
5 | 11443140121021322 |
6 | 241541533334004 |
7 | 21255604316302 |
oct | 3064506021764 |
9 | 671326085464 |
10 | 213223220212 |
11 | 82477a49272 |
12 | 353a8037304 |
13 | 17150a18232 |
14 | a46a355272 |
15 | 582e2ba677 |
hex | 31a51823f4 |
213223220212 has 24 divisors (see below), whose sum is σ = 393139787040. Its totient is φ = 100907857440.
The previous prime is 213223220167. The next prime is 213223220219. The reversal of 213223220212 is 212022322312.
213223220212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213223220219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1202863 + ... + 1368694.
It is an arithmetic number, because the mean of its divisors is an integer number (16380824460).
Almost surely, 2213223220212 is an apocalyptic number.
It is an amenable number.
213223220212 is a deficient number, since it is larger than the sum of its proper divisors (179916566828).
213223220212 is a wasteful number, since it uses less digits than its factorization.
213223220212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2572671 (or 2572669 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 22.
Adding to 213223220212 its reverse (212022322312), we get a palindrome (425245542524).
The spelling of 213223220212 in words is "two hundred thirteen billion, two hundred twenty-three million, two hundred twenty thousand, two hundred twelve".
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