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30330810749 is a prime number
BaseRepresentation
bin11100001111110110…
…110111000101111101
32220021210202211102002
4130033312313011331
5444104141420444
621533410312045
72122424431451
oct341766670575
986253684362
1030330810749
1111954a52048
125a65888625
132b24a8cbc5
14167a35c661
15bc7bc1d4e
hex70fdb717d

30330810749 has 2 divisors, whose sum is σ = 30330810750. Its totient is φ = 30330810748.

The previous prime is 30330810743. The next prime is 30330810767. The reversal of 30330810749 is 94701803303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26372136025 + 3958674724 = 162395^2 + 62918^2 .

It is a cyclic number.

It is not a de Polignac number, because 30330810749 - 220 = 30329762173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30330810743) 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, 15165405374 + 15165405375.

It is an arithmetic number, because the mean of its divisors is an integer number (15165405375).

Almost surely, 230330810749 is an apocalyptic number.

It is an amenable number.

30330810749 is a deficient number, since it is larger than the sum of its proper divisors (1).

30330810749 is an equidigital number, since it uses as much as digits as its factorization.

30330810749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

The spelling of 30330810749 in words is "thirty billion, three hundred thirty million, eight hundred ten thousand, seven hundred forty-nine".