Base | Representation |
---|---|
bin | 1011001000010100… |
… | …0001111101100111 |
3 | 21201012211000102212 |
4 | 2302011001331213 |
5 | 22104320210312 |
6 | 1212243554035 |
7 | 134015501234 |
oct | 26205017547 |
9 | 7635730385 |
10 | 2987663207 |
11 | 12a3504651 |
12 | 6b468b91b |
13 | 387c85169 |
14 | 204b1478b |
15 | 127458822 |
hex | b2141f67 |
2987663207 has 2 divisors, whose sum is σ = 2987663208. Its totient is φ = 2987663206.
The previous prime is 2987663141. The next prime is 2987663209. The reversal of 2987663207 is 7023667892.
2987663207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2987663207 - 222 = 2983468903 is a prime.
It is a super-2 number, since 2×29876632072 = 17852262876923049698, which contains 22 as substring.
Together with 2987663209, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2987663209) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1493831603 + 1493831604.
It is an arithmetic number, because the mean of its divisors is an integer number (1493831604).
Almost surely, 22987663207 is an apocalyptic number.
2987663207 is a deficient number, since it is larger than the sum of its proper divisors (1).
2987663207 is an equidigital number, since it uses as much as digits as its factorization.
2987663207 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1524096, while the sum is 50.
The square root of 2987663207 is about 54659.5207351839. The cubic root of 2987663207 is about 1440.2698836683.
The spelling of 2987663207 in words is "two billion, nine hundred eighty-seven million, six hundred sixty-three thousand, two hundred seven".
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