Base | Representation |
---|---|
bin | 111011101000100… |
… | …1111111001000111 |
3 | 12011110020212000122 |
4 | 1313101033321013 |
5 | 13044224311442 |
6 | 530320332155 |
7 | 100405210055 |
oct | 16721177107 |
9 | 5143225018 |
10 | 2001010247 |
11 | 937577685 |
12 | 47a17405b |
13 | 25b73c142 |
14 | 14da7d1d5 |
15 | baa11dd2 |
hex | 7744fe47 |
2001010247 has 2 divisors, whose sum is σ = 2001010248. Its totient is φ = 2001010246.
The previous prime is 2001010169. The next prime is 2001010259. The reversal of 2001010247 is 7420101002.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2001010247 - 226 = 1933901383 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2001010747) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000505123 + 1000505124.
It is an arithmetic number, because the mean of its divisors is an integer number (1000505124).
Almost surely, 22001010247 is an apocalyptic number.
2001010247 is a deficient number, since it is larger than the sum of its proper divisors (1).
2001010247 is an equidigital number, since it uses as much as digits as its factorization.
2001010247 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 112, while the sum is 17.
The square root of 2001010247 is about 44732.6530288558. The cubic root of 2001010247 is about 1260.1331527630.
Adding to 2001010247 its reverse (7420101002), we get a palindrome (9421111249).
The spelling of 2001010247 in words is "two billion, one million, ten thousand, two hundred forty-seven".
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