Base | Representation |
---|---|
bin | 100110101111111… |
… | …1111100000100111 |
3 | 10100121121122022022 |
4 | 1031133333200213 |
5 | 10130324412411 |
6 | 333004253355 |
7 | 44135535344 |
oct | 11537774047 |
9 | 3317548268 |
10 | 1300232231 |
11 | 607a467a1 |
12 | 30354125b |
13 | 1794b98ac |
14 | c49817cb |
15 | 79238edb |
hex | 4d7ff827 |
1300232231 has 2 divisors, whose sum is σ = 1300232232. Its totient is φ = 1300232230.
The previous prime is 1300232203. The next prime is 1300232257. The reversal of 1300232231 is 1322320031.
It is a strong prime.
It is an emirp because it is prime and its reverse (1322320031) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1300232231 is a prime.
It is a super-2 number, since 2×13002322312 = 3381207709062474722, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1300232201) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650116115 + 650116116.
It is an arithmetic number, because the mean of its divisors is an integer number (650116116).
Almost surely, 21300232231 is an apocalyptic number.
1300232231 is a deficient number, since it is larger than the sum of its proper divisors (1).
1300232231 is an equidigital number, since it uses as much as digits as its factorization.
1300232231 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 216, while the sum is 17.
The square root of 1300232231 is about 36058.7330753592. The cubic root of 1300232231 is about 1091.4578677200.
Adding to 1300232231 its reverse (1322320031), we get a palindrome (2622552262).
The spelling of 1300232231 in words is "one billion, three hundred million, two hundred thirty-two thousand, two hundred thirty-one".
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