Base | Representation |
---|---|
bin | 11001011011111… |
… | …11111101010011 |
3 | 112212112002020202 |
4 | 30231333331103 |
5 | 414111310133 |
6 | 33101325415 |
7 | 5200512554 |
oct | 1455777523 |
9 | 485462222 |
10 | 213385043 |
11 | aa4a5383 |
12 | 5b56686b |
13 | 35292851 |
14 | 204a832b |
15 | 13b002e8 |
hex | cb7ff53 |
213385043 has 2 divisors, whose sum is σ = 213385044. Its totient is φ = 213385042.
The previous prime is 213385027. The next prime is 213385087. The reversal of 213385043 is 340583312.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 213385043 - 24 = 213385027 is a prime.
It is a super-2 number, since 2×2133850432 = 91066353152223698, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 213384997 and 213385015.
It is not a weakly prime, because it can be changed into another prime (213385013) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106692521 + 106692522.
It is an arithmetic number, because the mean of its divisors is an integer number (106692522).
Almost surely, 2213385043 is an apocalyptic number.
213385043 is a deficient number, since it is larger than the sum of its proper divisors (1).
213385043 is an equidigital number, since it uses as much as digits as its factorization.
213385043 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8640, while the sum is 29.
The square root of 213385043 is about 14607.7049189803. The cubic root of 213385043 is about 597.5689064628.
The spelling of 213385043 in words is "two hundred thirteen million, three hundred eighty-five thousand, forty-three".
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