Base | Representation |
---|---|
bin | 111110101001010… |
… | …0100011110100011 |
3 | 12102111022200100201 |
4 | 1331102210132203 |
5 | 13301104120003 |
6 | 544325330031 |
7 | 103042606126 |
oct | 17522443643 |
9 | 5374280321 |
10 | 2102020003 |
11 | 989598816 |
12 | 4a7b66917 |
13 | 276647425 |
14 | 15d2543bd |
15 | c4815b1d |
hex | 7d4a47a3 |
2102020003 has 2 divisors, whose sum is σ = 2102020004. Its totient is φ = 2102020002.
The previous prime is 2102019977. The next prime is 2102020073. The reversal of 2102020003 is 3000202012.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2102020003 - 213 = 2102011811 is a prime.
It is not a weakly prime, because it can be changed into another prime (2102020073) 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, 1051010001 + 1051010002.
It is an arithmetic number, because the mean of its divisors is an integer number (1051010002).
Almost surely, 22102020003 is an apocalyptic number.
2102020003 is a deficient number, since it is larger than the sum of its proper divisors (1).
2102020003 is an equidigital number, since it uses as much as digits as its factorization.
2102020003 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 24, while the sum is 10.
The square root of 2102020003 is about 45847.7916916398. The cubic root of 2102020003 is about 1280.9896324140.
Adding to 2102020003 its reverse (3000202012), we get a palindrome (5102222015).
The spelling of 2102020003 in words is "two billion, one hundred two million, twenty thousand, three".
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