Base | Representation |
---|---|
bin | 11011111101010101… |
… | …010101101010100101 |
3 | 2212111010222200202002 |
4 | 123331111111222211 |
5 | 442440112030224 |
6 | 21442505255045 |
7 | 2111632033436 |
oct | 337525255245 |
9 | 85433880662 |
10 | 30020033189 |
11 | 11805587293 |
12 | 5999794485 |
13 | 2aa558a663 |
14 | 164ad8148d |
15 | baa7849ae |
hex | 6fd555aa5 |
30020033189 has 2 divisors, whose sum is σ = 30020033190. Its totient is φ = 30020033188.
The previous prime is 30020033179. The next prime is 30020033191. The reversal of 30020033189 is 98133002003.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 27939122500 + 2080910689 = 167150^2 + 45617^2 .
It is a cyclic number.
It is not a de Polignac number, because 30020033189 - 232 = 25725065893 is a prime.
It is a Sophie Germain prime.
Together with 30020033191, it forms a pair of twin primes.
It is a Chen prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30020033179) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15010016594 + 15010016595.
It is an arithmetic number, because the mean of its divisors is an integer number (15010016595).
Almost surely, 230020033189 is an apocalyptic number.
It is an amenable number.
30020033189 is a deficient number, since it is larger than the sum of its proper divisors (1).
30020033189 is an equidigital number, since it uses as much as digits as its factorization.
30020033189 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3888, while the sum is 29.
The spelling of 30020033189 in words is "thirty billion, twenty million, thirty-three thousand, one hundred eighty-nine".
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