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30141220393 is a prime number
BaseRepresentation
bin11100000100100011…
…101000011000101001
32212210121000122100001
4130010203220120221
5443212123023033
621502514543001
72114633101054
oct340443503051
985717018301
1030141220393
1111867a29aa9
125a12297a61
132ac470ba6b
14165d0c9a9b
15bb6221e7d
hex7048e8629

30141220393 has 2 divisors, whose sum is σ = 30141220394. Its totient is φ = 30141220392.

The previous prime is 30141220391. The next prime is 30141220433. The reversal of 30141220393 is 39302214103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26607155689 + 3534064704 = 163117^2 + 59448^2 .

It is a cyclic number.

It is not a de Polignac number, because 30141220393 - 21 = 30141220391 is a prime.

Together with 30141220391, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (30141220391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15070610196 + 15070610197.

It is an arithmetic number, because the mean of its divisors is an integer number (15070610197).

Almost surely, 230141220393 is an apocalyptic number.

It is an amenable number.

30141220393 is a deficient number, since it is larger than the sum of its proper divisors (1).

30141220393 is an equidigital number, since it uses as much as digits as its factorization.

30141220393 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 28.

Adding to 30141220393 its reverse (39302214103), we get a palindrome (69443434496).

The spelling of 30141220393 in words is "thirty billion, one hundred forty-one million, two hundred twenty thousand, three hundred ninety-three".