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30545303449 is a prime number
BaseRepresentation
bin11100011100101001…
…000101011110011001
32220211202101012002011
4130130221011132121
51000024044202244
622010551505521
72130640536553
oct343451053631
986752335064
1030545303449
1111a55033641
125b056882a1
132b5a34c96b
14169aa344d3
15bdb940434
hex71ca45799

30545303449 has 2 divisors, whose sum is σ = 30545303450. Its totient is φ = 30545303448.

The previous prime is 30545303389. The next prime is 30545303533. The reversal of 30545303449 is 94430354503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27682304400 + 2862999049 = 166380^2 + 53507^2 .

It is a cyclic number.

It is not a de Polignac number, because 30545303449 - 217 = 30545172377 is a prime.

It is not a weakly prime, because it can be changed into another prime (30545343449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15272651724 + 15272651725.

It is an arithmetic number, because the mean of its divisors is an integer number (15272651725).

Almost surely, 230545303449 is an apocalyptic number.

It is an amenable number.

30545303449 is a deficient number, since it is larger than the sum of its proper divisors (1).

30545303449 is an equidigital number, since it uses as much as digits as its factorization.

30545303449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 40.

The spelling of 30545303449 in words is "thirty billion, five hundred forty-five million, three hundred three thousand, four hundred forty-nine".