Base | Representation |
---|---|
bin | 111111011111001… |
… | …1101000010011111 |
3 | 12111110112111201021 |
4 | 1332332131002133 |
5 | 13330324113322 |
6 | 551215425011 |
7 | 103535155225 |
oct | 17676350237 |
9 | 5443474637 |
10 | 2130301087 |
11 | 9a3554812 |
12 | 4b5525167 |
13 | 27c469bb5 |
14 | 162cd6b15 |
15 | c70504c7 |
hex | 7ef9d09f |
2130301087 has 2 divisors, whose sum is σ = 2130301088. Its totient is φ = 2130301086.
The previous prime is 2130301081. The next prime is 2130301139. The reversal of 2130301087 is 7801030312.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2130301087 - 23 = 2130301079 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2130301081) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065150543 + 1065150544.
It is an arithmetic number, because the mean of its divisors is an integer number (1065150544).
Almost surely, 22130301087 is an apocalyptic number.
2130301087 is a deficient number, since it is larger than the sum of its proper divisors (1).
2130301087 is an equidigital number, since it uses as much as digits as its factorization.
2130301087 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1008, while the sum is 25.
The square root of 2130301087 is about 46155.1848333424. The cubic root of 2130301087 is about 1286.7089732645.
Adding to 2130301087 its reverse (7801030312), we get a palindrome (9931331399).
The spelling of 2130301087 in words is "two billion, one hundred thirty million, three hundred one thousand, eighty-seven".
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