Base | Representation |
---|---|
bin | 1100011010010011111… |
… | …0011010111011001111 |
3 | 202101100202100110102200 |
4 | 3012210332122323033 |
5 | 11443134113133033 |
6 | 241541422452543 |
7 | 21255551333664 |
oct | 3064476327317 |
9 | 671322313380 |
10 | 213221224143 |
11 | 82476905624 |
12 | 353a7434153 |
13 | 17150499825 |
14 | a469d95a6b |
15 | 582e024013 |
hex | 31a4f9aecf |
213221224143 has 12 divisors (see below), whose sum is σ = 312324047568. Its totient is φ = 140145405120.
The previous prime is 213221224141. The next prime is 213221224163. The reversal of 213221224143 is 341422122312.
213221224143 is a `hidden beast` number, since 2 + 1 + 3 + 221 + 22 + 414 + 3 = 666.
It is not a de Polignac number, because 213221224143 - 21 = 213221224141 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213221224141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166839130 + ... + 166840407.
It is an arithmetic number, because the mean of its divisors is an integer number (26027003964).
Almost surely, 2213221224143 is an apocalyptic number.
213221224143 is a deficient number, since it is larger than the sum of its proper divisors (99102823425).
213221224143 is a wasteful number, since it uses less digits than its factorization.
213221224143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 333679614 (or 333679611 counting only the distinct ones).
The product of its digits is 4608, while the sum is 27.
Adding to 213221224143 its reverse (341422122312), we get a palindrome (554643346455).
The spelling of 213221224143 in words is "two hundred thirteen billion, two hundred twenty-one million, two hundred twenty-four thousand, one hundred forty-three".
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