Base | Representation |
---|---|
bin | 1100010110101000010… |
… | …1110111111010010011 |
3 | 202021210220102211122021 |
4 | 3011222011313322103 |
5 | 11434123212302011 |
6 | 241255412352311 |
7 | 21222224321125 |
oct | 3055205677223 |
9 | 667726384567 |
10 | 212233322131 |
11 | 8200a1a5186 |
12 | 35170615697 |
13 | 1702390711c |
14 | a3b4ab7215 |
15 | 57c2432471 |
hex | 316a177e93 |
212233322131 has 32 divisors (see below), whose sum is σ = 229973022720. Its totient is φ = 195201561600.
The previous prime is 212233322099. The next prime is 212233322149. The reversal of 212233322131 is 131223332212.
It is not a de Polignac number, because 212233322131 - 25 = 212233322099 is a prime.
It is a super-2 number, since 2×2122333221312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 212233322096 and 212233322105.
It is not an unprimeable number, because it can be changed into a prime (212233322531) 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, 217229115 + ... + 217230091.
It is an arithmetic number, because the mean of its divisors is an integer number (7186656960).
Almost surely, 2212233322131 is an apocalyptic number.
212233322131 is a deficient number, since it is larger than the sum of its proper divisors (17739700589).
212233322131 is a wasteful number, since it uses less digits than its factorization.
212233322131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2115.
The product of its digits is 2592, while the sum is 25.
Adding to 212233322131 its reverse (131223332212), we get a palindrome (343456654343).
The spelling of 212233322131 in words is "two hundred twelve billion, two hundred thirty-three million, three hundred twenty-two thousand, one hundred thirty-one".
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