Base | Representation |
---|---|
bin | 111011101000011… |
… | …1100100001011101 |
3 | 12011110002211012012 |
4 | 1313100330201131 |
5 | 13044214242114 |
6 | 530314521005 |
7 | 100404426545 |
oct | 16720744135 |
9 | 5143084165 |
10 | 2000930909 |
11 | 93752300a |
12 | 47a136165 |
13 | 25b711cb3 |
14 | 14da5c325 |
15 | ba9e863e |
hex | 7743c85d |
2000930909 has 2 divisors, whose sum is σ = 2000930910. Its totient is φ = 2000930908.
The previous prime is 2000930891. The next prime is 2000930941. The reversal of 2000930909 is 9090390002.
It is an a-pointer prime, because the next prime (2000930941) can be obtained adding 2000930909 to its sum of digits (32).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2000325625 + 605284 = 44725^2 + 778^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2000930909 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2000930959) 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, 1000465454 + 1000465455.
It is an arithmetic number, because the mean of its divisors is an integer number (1000465455).
Almost surely, 22000930909 is an apocalyptic number.
It is an amenable number.
2000930909 is a deficient number, since it is larger than the sum of its proper divisors (1).
2000930909 is an equidigital number, since it uses as much as digits as its factorization.
2000930909 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4374, while the sum is 32.
The square root of 2000930909 is about 44731.7662182034. The cubic root of 2000930909 is about 1260.1164982147.
The spelling of 2000930909 in words is "two billion, nine hundred thirty thousand, nine hundred nine".
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