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30348893453 = 3167103141863
BaseRepresentation
bin11100010000111011…
…110101110100001101
32220100001210112012212
4130100323311310031
5444123304042303
621535254040205
72123034223634
oct342073656415
986301715185
1030348893453
111196418292a
125a6b949065
132b28751728
14167c90851b
15bc9594ad8
hex710ef5d0d

30348893453 has 16 divisors (see below), whose sum is σ = 32104390656. Its totient is φ = 28650449520.

The previous prime is 30348893447. The next prime is 30348893479. The reversal of 30348893453 is 35439884303.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30348893453 - 224 = 30332116237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30348853453) 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 in 15 ways as a sum of consecutive naturals, for example, 143000 + ... + 284862.

It is an arithmetic number, because the mean of its divisors is an integer number (2006524416).

Almost surely, 230348893453 is an apocalyptic number.

It is an amenable number.

30348893453 is a deficient number, since it is larger than the sum of its proper divisors (1755497203).

30348893453 is a wasteful number, since it uses less digits than its factorization.

30348893453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142064.

The product of its (nonzero) digits is 3732480, while the sum is 50.

The spelling of 30348893453 in words is "thirty billion, three hundred forty-eight million, eight hundred ninety-three thousand, four hundred fifty-three".

Divisors: 1 31 67 103 2077 3193 6901 141863 213931 4397753 9504821 14611889 294649451 452968559 978996563 30348893453