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30048195217 is a prime number
BaseRepresentation
bin11011111111000000…
…110001001010010001
32212120002222110210011
4123333000301022101
5443014314221332
621445353034521
72112423305455
oct337700611221
985502873704
1030048195217
111181a471897
1259a70b5a41
132aab36ab91
1416509d2665
15bace98e47
hex6ff031291

30048195217 has 2 divisors, whose sum is σ = 30048195218. Its totient is φ = 30048195216.

The previous prime is 30048195173. The next prime is 30048195269. The reversal of 30048195217 is 71259184003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19975864896 + 10072330321 = 141336^2 + 100361^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30048195217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30048195217.

It is not a weakly prime, because it can be changed into another prime (30048195817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15024097608 + 15024097609.

It is an arithmetic number, because the mean of its divisors is an integer number (15024097609).

Almost surely, 230048195217 is an apocalyptic number.

It is an amenable number.

30048195217 is a deficient number, since it is larger than the sum of its proper divisors (1).

30048195217 is an equidigital number, since it uses as much as digits as its factorization.

30048195217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 30048195217 in words is "thirty billion, forty-eight million, one hundred ninety-five thousand, two hundred seventeen".