Base | Representation |
---|---|
bin | 111011101000101… |
… | …0100101101110001 |
3 | 12011110021212010021 |
4 | 1313101110231301 |
5 | 13044230430001 |
6 | 530321003441 |
7 | 100405321465 |
oct | 16721245561 |
9 | 5143255107 |
10 | 2001030001 |
11 | 937590503 |
12 | 47a183581 |
13 | 25b748129 |
14 | 14da864a5 |
15 | baa17ba1 |
hex | 77454b71 |
2001030001 has 2 divisors, whose sum is σ = 2001030002. Its totient is φ = 2001030000.
The previous prime is 2001029963. The next prime is 2001030019. The reversal of 2001030001 is 1000301002.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1995944976 + 5085025 = 44676^2 + 2255^2 .
It is a cyclic number.
It is not a de Polignac number, because 2001030001 - 27 = 2001029873 is a prime.
It is not a weakly prime, because it can be changed into another prime (2001030071) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000515000 + 1000515001.
It is an arithmetic number, because the mean of its divisors is an integer number (1000515001).
Almost surely, 22001030001 is an apocalyptic number.
It is an amenable number.
2001030001 is a deficient number, since it is larger than the sum of its proper divisors (1).
2001030001 is an equidigital number, since it uses as much as digits as its factorization.
2001030001 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6, while the sum is 7.
The square root of 2001030001 is about 44732.8738289862. The cubic root of 2001030001 is about 1260.1372994331.
Adding to 2001030001 its reverse (1000301002), we get a palindrome (3001331003).
The spelling of 2001030001 in words is "two billion, one million, thirty thousand, one".
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