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30003020249 is a prime number
BaseRepresentation
bin11011111100010100…
…011100000111011001
32212102221222100101012
4123330110130013121
5442421233121444
621441100503305
72111334315146
oct337424340731
985387870335
1030003020249
11117a6a17204
125993b4ab35
132aa1bb1a27
1416489d33cd
15ba9023b9e
hex6fc51c1d9

30003020249 has 2 divisors, whose sum is σ = 30003020250. Its totient is φ = 30003020248.

The previous prime is 30003020227. The next prime is 30003020269. The reversal of 30003020249 is 94202030003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15248545225 + 14754475024 = 123485^2 + 121468^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30003020249 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (30003020209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15001510124 + 15001510125.

It is an arithmetic number, because the mean of its divisors is an integer number (15001510125).

Almost surely, 230003020249 is an apocalyptic number.

It is an amenable number.

30003020249 is a deficient number, since it is larger than the sum of its proper divisors (1).

30003020249 is an equidigital number, since it uses as much as digits as its factorization.

30003020249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

The spelling of 30003020249 in words is "thirty billion, three million, twenty thousand, two hundred forty-nine".