Base | Representation |
---|---|
bin | 1100011010010001001… |
… | …1101001011001001111 |
3 | 202101022222020210012001 |
4 | 3012210103221121033 |
5 | 11443123230324330 |
6 | 241540342253131 |
7 | 21255354123145 |
oct | 3064423513117 |
9 | 671288223161 |
10 | 213210011215 |
11 | 82470547143 |
12 | 353a37271a7 |
13 | 1714b071b66 |
14 | a4686b7595 |
15 | 582d05b9ca |
hex | 31a44e964f |
213210011215 has 16 divisors (see below), whose sum is σ = 257061482496. Its totient is φ = 169762068000.
The previous prime is 213210011213. The next prime is 213210011233. The reversal of 213210011215 is 512110012312.
213210011215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 213210011215 - 21 = 213210011213 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 213210011192 and 213210011201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213210011213) 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, 5098140 + ... + 5139790.
It is an arithmetic number, because the mean of its divisors is an integer number (16066342656).
Almost surely, 2213210011215 is an apocalyptic number.
213210011215 is a deficient number, since it is larger than the sum of its proper divisors (43851471281).
213210011215 is a wasteful number, since it uses less digits than its factorization.
213210011215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46470.
The product of its (nonzero) digits is 120, while the sum is 19.
Adding to 213210011215 its reverse (512110012312), we get a palindrome (725320023527).
The spelling of 213210011215 in words is "two hundred thirteen billion, two hundred ten million, eleven thousand, two hundred fifteen".
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