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30434572349 is a prime number
BaseRepresentation
bin11100010110000010…
…101011100000111101
32220120001000110120022
4130112002223200331
5444312222303344
621551554301525
72125124411426
oct342602534075
986501013508
1030434572349
11119a8582735
125a945878a5
132b4041c8bc
14168a04c64d
15bd1d6b0ee
hex7160ab83d

30434572349 has 2 divisors, whose sum is σ = 30434572350. Its totient is φ = 30434572348.

The previous prime is 30434572297. The next prime is 30434572351. The reversal of 30434572349 is 94327543403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28554916324 + 1879656025 = 168982^2 + 43355^2 .

It is a cyclic number.

It is not a de Polignac number, because 30434572349 - 28 = 30434572093 is a prime.

Together with 30434572351, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30434572849) 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, 15217286174 + 15217286175.

It is an arithmetic number, because the mean of its divisors is an integer number (15217286175).

Almost surely, 230434572349 is an apocalyptic number.

It is an amenable number.

30434572349 is a deficient number, since it is larger than the sum of its proper divisors (1).

30434572349 is an equidigital number, since it uses as much as digits as its factorization.

30434572349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 44.

The spelling of 30434572349 in words is "thirty billion, four hundred thirty-four million, five hundred seventy-two thousand, three hundred forty-nine".