Base | Representation |
---|---|
bin | 1100010111000010100… |
… | …1000100110001010111 |
3 | 202022002120012212202202 |
4 | 3011300221010301113 |
5 | 11434334330310033 |
6 | 241314335555115 |
7 | 21225030350105 |
oct | 3056051046127 |
9 | 668076185682 |
10 | 212343213143 |
11 | 820662319a6 |
12 | 351a138ba9b |
13 | 170406019a9 |
14 | a3c5520c75 |
15 | 57cbddc8e8 |
hex | 3170a44c57 |
212343213143 has 2 divisors, whose sum is σ = 212343213144. Its totient is φ = 212343213142.
The previous prime is 212343213133. The next prime is 212343213167. The reversal of 212343213143 is 341312343212.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 212343213143 - 228 = 212074777687 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (212343213133) 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 as a sum of consecutive naturals, namely, 106171606571 + 106171606572.
It is an arithmetic number, because the mean of its divisors is an integer number (106171606572).
Almost surely, 2212343213143 is an apocalyptic number.
212343213143 is a deficient number, since it is larger than the sum of its proper divisors (1).
212343213143 is an equidigital number, since it uses as much as digits as its factorization.
212343213143 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 10368, while the sum is 29.
Adding to 212343213143 its reverse (341312343212), we get a palindrome (553655556355).
The spelling of 212343213143 in words is "two hundred twelve billion, three hundred forty-three million, two hundred thirteen thousand, one hundred forty-three".
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