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30271824161 is a prime number
BaseRepresentation
bin11100001100010101…
…110110000100100001
32220010200210000000122
4130030111312010201
5443444041333121
621523502130025
72121110155055
oct341425660441
986120700018
1030271824161
11119247235a7
125a49b80915
132b157a92b7
1416725a5c65
15bc291e5ab
hex70c576121

30271824161 has 2 divisors, whose sum is σ = 30271824162. Its totient is φ = 30271824160.

The previous prime is 30271824139. The next prime is 30271824169. The reversal of 30271824161 is 16142817203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26420877025 + 3850947136 = 162545^2 + 62056^2 .

It is an emirp because it is prime and its reverse (16142817203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30271824161 - 26 = 30271824097 is a prime.

It is not a weakly prime, because it can be changed into another prime (30271824169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15135912080 + 15135912081.

It is an arithmetic number, because the mean of its divisors is an integer number (15135912081).

Almost surely, 230271824161 is an apocalyptic number.

It is an amenable number.

30271824161 is a deficient number, since it is larger than the sum of its proper divisors (1).

30271824161 is an equidigital number, since it uses as much as digits as its factorization.

30271824161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 35.

The spelling of 30271824161 in words is "thirty billion, two hundred seventy-one million, eight hundred twenty-four thousand, one hundred sixty-one".