Base | Representation |
---|---|
bin | 1011101001000011101… |
… | …1011101101110101011 |
3 | 201010020100021211121001 |
4 | 2322100323131232223 |
5 | 11234100000043422 |
6 | 231513450055431 |
7 | 20310120655501 |
oct | 2722073355653 |
9 | 633210254531 |
10 | 200000002987 |
11 | 77901873474 |
12 | 3291771a577 |
13 | 15b24320645 |
14 | 99740c2671 |
15 | 5308475227 |
hex | 2e90eddbab |
200000002987 has 2 divisors, whose sum is σ = 200000002988. Its totient is φ = 200000002986.
The previous prime is 200000002931. The next prime is 200000002991. The reversal of 200000002987 is 789200000002.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 200000002987 - 27 = 200000002859 is a prime.
It is not a weakly prime, because it can be changed into another prime (200000002927) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100000001493 + 100000001494.
It is an arithmetic number, because the mean of its divisors is an integer number (100000001494).
Almost surely, 2200000002987 is an apocalyptic number.
200000002987 is a deficient number, since it is larger than the sum of its proper divisors (1).
200000002987 is an equidigital number, since it uses as much as digits as its factorization.
200000002987 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2016, while the sum is 28.
Adding to 200000002987 its reverse (789200000002), we get a palindrome (989200002989).
The spelling of 200000002987 in words is "two hundred billion, two thousand, nine hundred eighty-seven".
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