Base | Representation |
---|---|
bin | 11011010010100110… |
… | …111100111011100101 |
3 | 2210122012012022212112 |
4 | 123102212330323211 |
5 | 440003111331211 |
6 | 21243421530405 |
7 | 2055106226651 |
oct | 332246747345 |
9 | 83565168775 |
10 | 29303230181 |
11 | 11477a00605 |
12 | 5819713a05 |
13 | 29bcc17074 |
14 | 15bdab1a61 |
15 | b6789388b |
hex | 6d29bcee5 |
29303230181 has 2 divisors, whose sum is σ = 29303230182. Its totient is φ = 29303230180.
The previous prime is 29303230169. The next prime is 29303230183. The reversal of 29303230181 is 18103230392.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 28741777156 + 561453025 = 169534^2 + 23695^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-29303230181 is a prime.
It is a super-2 number, since 2×293032301812 (a number of 22 digits) contains 22 as substring.
Together with 29303230183, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (29303230183) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14651615090 + 14651615091.
It is an arithmetic number, because the mean of its divisors is an integer number (14651615091).
Almost surely, 229303230181 is an apocalyptic number.
It is an amenable number.
29303230181 is a deficient number, since it is larger than the sum of its proper divisors (1).
29303230181 is an equidigital number, since it uses as much as digits as its factorization.
29303230181 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 7776, while the sum is 32.
The spelling of 29303230181 in words is "twenty-nine billion, three hundred three million, two hundred thirty thousand, one hundred eighty-one".
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