Base | Representation |
---|---|
bin | 11011111110000010… |
… | …111111011111011011 |
3 | 2212111222111201110212 |
4 | 123332002333133123 |
5 | 443001143012422 |
6 | 21444014001335 |
7 | 2112135540122 |
oct | 337602773733 |
9 | 85458451425 |
10 | 30032000987 |
11 | 1181131092a |
12 | 59a17a624b |
13 | 2aa7bbaab1 |
14 | 164c7b8ab9 |
15 | bab84a9e2 |
hex | 6fe0bf7db |
30032000987 has 2 divisors, whose sum is σ = 30032000988. Its totient is φ = 30032000986.
The previous prime is 30032000953. The next prime is 30032000993. The reversal of 30032000987 is 78900023003.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 30032000987 - 26 = 30032000923 is a prime.
It is not a weakly prime, because it can be changed into another prime (30032000587) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15016000493 + 15016000494.
It is an arithmetic number, because the mean of its divisors is an integer number (15016000494).
Almost surely, 230032000987 is an apocalyptic number.
30032000987 is a deficient number, since it is larger than the sum of its proper divisors (1).
30032000987 is an equidigital number, since it uses as much as digits as its factorization.
30032000987 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 9072, while the sum is 32.
The spelling of 30032000987 in words is "thirty billion, thirty-two million, nine hundred eighty-seven", and thus it is an aban number.
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