Base | Representation |
---|---|
bin | 1110101100101… |
… | …10110011110101 |
3 | 22121000100022202 |
4 | 13112112303311 |
5 | 223031113414 |
6 | 20122434245 |
7 | 3025020311 |
oct | 726266365 |
9 | 277010282 |
10 | 123301109 |
11 | 63666a48 |
12 | 35362985 |
13 | 1c711649 |
14 | 12538b41 |
15 | ac589de |
hex | 7596cf5 |
123301109 has 2 divisors, whose sum is σ = 123301110. Its totient is φ = 123301108.
The previous prime is 123301093. The next prime is 123301121. The reversal of 123301109 is 901103321.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 120670225 + 2630884 = 10985^2 + 1622^2 .
It is a cyclic number.
It is not a de Polignac number, because 123301109 - 24 = 123301093 is a prime.
It is a Sophie Germain prime.
It is a Chen 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 (123301159) 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, 61650554 + 61650555.
It is an arithmetic number, because the mean of its divisors is an integer number (61650555).
Almost surely, 2123301109 is an apocalyptic number.
It is an amenable number.
123301109 is a deficient number, since it is larger than the sum of its proper divisors (1).
123301109 is an equidigital number, since it uses as much as digits as its factorization.
123301109 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 162, while the sum is 20.
The square root of 123301109 is about 11104.1032506007. The cubic root of 123301109 is about 497.7244716518.
The spelling of 123301109 in words is "one hundred twenty-three million, three hundred one thousand, one hundred nine".
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