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30302212169 is a prime number
BaseRepresentation
bin11100001110001001…
…110001000001001001
32220012210221212112102
4130032021301001021
5444024331242134
621530505323145
72121626360615
oct341611610111
986183855472
1030302212169
111193a899559
125a581964b5
132b1bb88a78
141676636345
15bc542337e
hex70e271049

30302212169 has 2 divisors, whose sum is σ = 30302212170. Its totient is φ = 30302212168.

The previous prime is 30302212117. The next prime is 30302212243. The reversal of 30302212169 is 96121220303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19743622144 + 10558590025 = 140512^2 + 102755^2 .

It is a cyclic number.

It is not a de Polignac number, because 30302212169 - 220 = 30301163593 is a prime.

It is a super-2 number, since 2×303022121692 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30302212069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15151106084 + 15151106085.

It is an arithmetic number, because the mean of its divisors is an integer number (15151106085).

Almost surely, 230302212169 is an apocalyptic number.

It is an amenable number.

30302212169 is a deficient number, since it is larger than the sum of its proper divisors (1).

30302212169 is an equidigital number, since it uses as much as digits as its factorization.

30302212169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 30302212169 in words is "thirty billion, three hundred two million, two hundred twelve thousand, one hundred sixty-nine".