Base | Representation |
---|---|
bin | 1100010111000010010… |
… | …1101101100000110011 |
3 | 202022002111120002022012 |
4 | 3011300211231200303 |
5 | 11434334114101233 |
6 | 241314305033135 |
7 | 21225020015414 |
oct | 3056045554063 |
9 | 668074502265 |
10 | 212342331443 |
11 | 8206578a520 |
12 | 351a10257ab |
13 | 17040383588 |
14 | a3c537180b |
15 | 57cbcb6548 |
hex | 317096d833 |
212342331443 has 32 divisors (see below), whose sum is σ = 249676846848. Its totient is φ = 178436966400.
The previous prime is 212342331431. The next prime is 212342331449. The reversal of 212342331443 is 344133243212.
It is not a de Polignac number, because 212342331443 - 224 = 212325554227 is a prime.
It is not an unprimeable number, because it can be changed into a prime (212342331449) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4197128 + ... + 4247418.
It is an arithmetic number, because the mean of its divisors is an integer number (7802401464).
Almost surely, 2212342331443 is an apocalyptic number.
212342331443 is a deficient number, since it is larger than the sum of its proper divisors (37334515405).
212342331443 is a wasteful number, since it uses less digits than its factorization.
212342331443 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50723.
The product of its digits is 41472, while the sum is 32.
Adding to 212342331443 its reverse (344133243212), we get a palindrome (556475574655).
The spelling of 212342331443 in words is "two hundred twelve billion, three hundred forty-two million, three hundred thirty-one thousand, four hundred forty-three".
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