Base | Representation |
---|---|
bin | 1100010011100… |
… | …10101011010001 |
3 | 21012020122011022 |
4 | 12021302223101 |
5 | 202411331121 |
6 | 14124325225 |
7 | 2362304366 |
oct | 611625321 |
9 | 235218138 |
10 | 103230161 |
11 | 532a8391 |
12 | 2a6a3815 |
13 | 18504b48 |
14 | d9d246d |
15 | 90e1aab |
hex | 6272ad1 |
103230161 has 2 divisors, whose sum is σ = 103230162. Its totient is φ = 103230160.
The previous prime is 103230131. The next prime is 103230163. The reversal of 103230161 is 161032301.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 102921025 + 309136 = 10145^2 + 556^2 .
It is an emirp because it is prime and its reverse (161032301) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 103230161 - 222 = 99035857 is a prime.
It is a super-2 number, since 2×1032301612 = 21312932280171842, which contains 22 as substring.
Together with 103230163, it forms a pair of twin primes.
It is a Chen prime.
It is an alternating number because its digits alternate between odd and even.
It is not a weakly prime, because it can be changed into another prime (103230163) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51615080 + 51615081.
It is an arithmetic number, because the mean of its divisors is an integer number (51615081).
Almost surely, 2103230161 is an apocalyptic number.
It is an amenable number.
103230161 is a deficient number, since it is larger than the sum of its proper divisors (1).
103230161 is an equidigital number, since it uses as much as digits as its factorization.
103230161 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 108, while the sum is 17.
The square root of 103230161 is about 10160.2244561821. The cubic root of 103230161 is about 469.1037106053.
Adding to 103230161 its reverse (161032301), we get a palindrome (264262462).
The spelling of 103230161 in words is "one hundred three million, two hundred thirty thousand, one hundred sixty-one".
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