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30348893447 is a prime number
BaseRepresentation
bin11100010000111011…
…110101110100000111
32220100001210112012122
4130100323311310013
5444123304042242
621535254040155
72123034223625
oct342073656407
986301715178
1030348893447
1111964182924
125a6b94905b
132b28751722
14167c908515
15bc9594ad2
hex710ef5d07

30348893447 has 2 divisors, whose sum is σ = 30348893448. Its totient is φ = 30348893446.

The previous prime is 30348893347. The next prime is 30348893479. The reversal of 30348893447 is 74439884303.

It is a strong prime.

It is an emirp because it is prime and its reverse (74439884303) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30348893447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30348893347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15174446723 + 15174446724.

It is an arithmetic number, because the mean of its divisors is an integer number (15174446724).

Almost surely, 230348893447 is an apocalyptic number.

30348893447 is a deficient number, since it is larger than the sum of its proper divisors (1).

30348893447 is an equidigital number, since it uses as much as digits as its factorization.

30348893447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6967296, while the sum is 53.

The spelling of 30348893447 in words is "thirty billion, three hundred forty-eight million, eight hundred ninety-three thousand, four hundred forty-seven".