Base | Representation |
---|---|
bin | 10101101100110… |
… | …01000111011101 |
3 | 110200112010022222 |
4 | 22312121013131 |
5 | 333044441223 |
6 | 30021315125 |
7 | 4340144036 |
oct | 1266310735 |
9 | 420463288 |
10 | 182030813 |
11 | 9382a498 |
12 | 50b65aa5 |
13 | 2b935353 |
14 | 1a265a8d |
15 | 10eaa0c8 |
hex | ad991dd |
182030813 has 2 divisors, whose sum is σ = 182030814. Its totient is φ = 182030812.
The previous prime is 182030801. The next prime is 182030833. The reversal of 182030813 is 318030281.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 150872089 + 31158724 = 12283^2 + 5582^2 .
It is a cyclic number.
It is not a de Polignac number, because 182030813 - 26 = 182030749 is a prime.
It is a super-3 number, since 3×1820308133 (a number of 26 digits) contains 333 as substring.
It is a Sophie Germain prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (182030833) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91015406 + 91015407.
It is an arithmetic number, because the mean of its divisors is an integer number (91015407).
Almost surely, 2182030813 is an apocalyptic number.
It is an amenable number.
182030813 is a deficient number, since it is larger than the sum of its proper divisors (1).
182030813 is an equidigital number, since it uses as much as digits as its factorization.
182030813 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1152, while the sum is 26.
The square root of 182030813 is about 13491.8795206598. The cubic root of 182030813 is about 566.7370904786.
The spelling of 182030813 in words is "one hundred eighty-two million, thirty thousand, eight hundred thirteen".
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