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30443412361 is a prime number
BaseRepresentation
bin11100010110100100…
…011001101110001001
32220120122122120210011
4130112210121232021
5444322003143421
621552511551521
72125262510155
oct342644315611
986518576704
1030443412361
1111a0257032a
125a9752b5a1
132b421c648b
14168b2b0065
15bd2a154e1
hex716919b89

30443412361 has 2 divisors, whose sum is σ = 30443412362. Its totient is φ = 30443412360.

The previous prime is 30443412353. The next prime is 30443412367. The reversal of 30443412361 is 16321434403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17939923600 + 12503488761 = 133940^2 + 111819^2 .

It is a cyclic number.

It is not a de Polignac number, because 30443412361 - 23 = 30443412353 is a prime.

It is not a weakly prime, because it can be changed into another prime (30443412367) 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, 15221706180 + 15221706181.

It is an arithmetic number, because the mean of its divisors is an integer number (15221706181).

Almost surely, 230443412361 is an apocalyptic number.

It is an amenable number.

30443412361 is a deficient number, since it is larger than the sum of its proper divisors (1).

30443412361 is an equidigital number, since it uses as much as digits as its factorization.

30443412361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 30443412361 its reverse (16321434403), we get a palindrome (46764846764).

The spelling of 30443412361 in words is "thirty billion, four hundred forty-three million, four hundred twelve thousand, three hundred sixty-one".