Base | Representation |
---|---|
bin | 1100010101110011101… |
… | …0011100011010111111 |
3 | 202021020111101210110211 |
4 | 3011130322130122333 |
5 | 11433200112102033 |
6 | 241221433413251 |
7 | 21213601103551 |
oct | 3053472343277 |
9 | 667214353424 |
10 | 212012222143 |
11 | 81a06410517 |
12 | 3510a56a227 |
13 | 16cb9b72b27 |
14 | a3935a14d1 |
15 | 57acd0b2cd |
hex | 315ce9c6bf |
212012222143 has 2 divisors, whose sum is σ = 212012222144. Its totient is φ = 212012222142.
The previous prime is 212012222119. The next prime is 212012222153. The reversal of 212012222143 is 341222210212.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 212012222143 - 225 = 211978667711 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (212012222153) 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 as a sum of consecutive naturals, namely, 106006111071 + 106006111072.
It is an arithmetic number, because the mean of its divisors is an integer number (106006111072).
Almost surely, 2212012222143 is an apocalyptic number.
212012222143 is a deficient number, since it is larger than the sum of its proper divisors (1).
212012222143 is an equidigital number, since it uses as much as digits as its factorization.
212012222143 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 768, while the sum is 22.
Adding to 212012222143 its reverse (341222210212), we get a palindrome (553234432355).
The spelling of 212012222143 in words is "two hundred twelve billion, twelve million, two hundred twenty-two thousand, one hundred forty-three".
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