Base | Representation |
---|---|
bin | 1010011111011010111… |
… | …1100101110111010011 |
3 | 122020012202210211000101 |
4 | 2213312233211313103 |
5 | 10423104213031011 |
6 | 214444213433231 |
7 | 16010231012611 |
oct | 2476657456723 |
9 | 566182724011 |
10 | 180233330131 |
11 | 6a48901a5a8 |
12 | 2ab1b93b817 |
13 | 13cc409b50a |
14 | 8a1abb66b1 |
15 | 4a4ce482c1 |
hex | 29f6be5dd3 |
180233330131 has 2 divisors, whose sum is σ = 180233330132. Its totient is φ = 180233330130.
The previous prime is 180233330113. The next prime is 180233330257. The reversal of 180233330131 is 131033332081.
Together with previous prime (180233330113) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It is an emirp because it is prime and its reverse (131033332081) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 180233330131 - 217 = 180233199059 is a prime.
It is a super-2 number, since 2×1802333301312 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 180233330131.
It is not a weakly prime, because it can be changed into another prime (180233330831) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90116665065 + 90116665066.
It is an arithmetic number, because the mean of its divisors is an integer number (90116665066).
Almost surely, 2180233330131 is an apocalyptic number.
180233330131 is a deficient number, since it is larger than the sum of its proper divisors (1).
180233330131 is an equidigital number, since it uses as much as digits as its factorization.
180233330131 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3888, while the sum is 28.
The spelling of 180233330131 in words is "one hundred eighty billion, two hundred thirty-three million, three hundred thirty thousand, one hundred thirty-one".
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