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30020033189 is a prime number
BaseRepresentation
bin11011111101010101…
…010101101010100101
32212111010222200202002
4123331111111222211
5442440112030224
621442505255045
72111632033436
oct337525255245
985433880662
1030020033189
1111805587293
125999794485
132aa558a663
14164ad8148d
15baa7849ae
hex6fd555aa5

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".