Base | Representation |
---|---|
bin | 1100011001101001111… |
… | …1110100101110101100 |
3 | 202100220111120020212101 |
4 | 3012122133310232230 |
5 | 11442304112244322 |
6 | 241512142544444 |
7 | 21251315200105 |
oct | 3063237645654 |
9 | 670814506771 |
10 | 213045431212 |
11 | 82396656809 |
12 | 35358598124 |
13 | 17122c39843 |
14 | a4508b53ac |
15 | 581d89c327 |
hex | 319a7f4bac |
213045431212 has 12 divisors (see below), whose sum is σ = 372840896736. Its totient is φ = 106519460720.
The previous prime is 213045431197. The next prime is 213045431231. The reversal of 213045431212 is 212134540312.
213045431212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 663364 + ... + 930667.
It is an arithmetic number, because the mean of its divisors is an integer number (31070074728).
Almost surely, 2213045431212 is an apocalyptic number.
It is an amenable number.
213045431212 is a deficient number, since it is larger than the sum of its proper divisors (159795465524).
213045431212 is a wasteful number, since it uses less digits than its factorization.
213045431212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1627448 (or 1627446 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 28.
Adding to 213045431212 its reverse (212134540312), we get a palindrome (425179971524).
The spelling of 213045431212 in words is "two hundred thirteen billion, forty-five million, four hundred thirty-one thousand, two hundred twelve".
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