Base | Representation |
---|---|
bin | 1011101110011000101… |
… | …1010110010011100111 |
3 | 201020221000111220120001 |
4 | 2323212023112103213 |
5 | 11300012114331442 |
6 | 232311420522131 |
7 | 20360425464331 |
oct | 2734613262347 |
9 | 636830456501 |
10 | 201430230247 |
11 | 78476128374 |
12 | 330566b0347 |
13 | 15cc172366c |
14 | 9a6c022451 |
15 | 538dcdb2b7 |
hex | 2ee62d64e7 |
201430230247 has 2 divisors, whose sum is σ = 201430230248. Its totient is φ = 201430230246.
The previous prime is 201430230161. The next prime is 201430230263. The reversal of 201430230247 is 742032034102.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 201430230247 - 223 = 201421841639 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (201430230347) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100715115123 + 100715115124.
It is an arithmetic number, because the mean of its divisors is an integer number (100715115124).
Almost surely, 2201430230247 is an apocalyptic number.
201430230247 is a deficient number, since it is larger than the sum of its proper divisors (1).
201430230247 is an equidigital number, since it uses as much as digits as its factorization.
201430230247 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8064, while the sum is 28.
Adding to 201430230247 its reverse (742032034102), we get a palindrome (943462264349).
The spelling of 201430230247 in words is "two hundred one billion, four hundred thirty million, two hundred thirty thousand, two hundred forty-seven".
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