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30002199979 is a prime number
BaseRepresentation
bin11011111100010001…
…010011110110101011
32212102220102200011211
4123330101103312223
5442421030344404
621441031133551
72111324330533
oct337421236653
985386380154
1030002199979
11117a65069a4
1259938142b7
132aa198556b
14164885c4c3
15ba8e10b04
hex6fc453dab

30002199979 has 2 divisors, whose sum is σ = 30002199980. Its totient is φ = 30002199978.

The previous prime is 30002199949. The next prime is 30002199989. The reversal of 30002199979 is 97999120003.

It is a strong prime.

It is an emirp because it is prime and its reverse (97999120003) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30002199979 is a prime.

It is not a weakly prime, because it can be changed into another prime (30002199919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15001099989 + 15001099990.

It is an arithmetic number, because the mean of its divisors is an integer number (15001099990).

Almost surely, 230002199979 is an apocalyptic number.

30002199979 is a deficient number, since it is larger than the sum of its proper divisors (1).

30002199979 is an equidigital number, since it uses as much as digits as its factorization.

30002199979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 275562, while the sum is 49.

The spelling of 30002199979 in words is "thirty billion, two million, one hundred ninety-nine thousand, nine hundred seventy-nine".