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30343142303 = 63434783721
BaseRepresentation
bin11100010000100101…
…111001101110011111
32220022122222100010022
4130100211321232133
5444120321023203
621534530502355
72122634311505
oct342045715637
986278870108
1030343142303
1111960a04a11
125a69a349bb
132b274b9a96
14167bc4c675
15bc8d0aa38
hex710979b9f

30343142303 has 4 divisors (see below), whose sum is σ = 30347932368. Its totient is φ = 30338352240.

The previous prime is 30343142293. The next prime is 30343142327. The reversal of 30343142303 is 30324134303.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30343142303 - 216 = 30343076767 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 (30343142503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2385518 + ... + 2398203.

It is an arithmetic number, because the mean of its divisors is an integer number (7586983092).

Almost surely, 230343142303 is an apocalyptic number.

30343142303 is a deficient number, since it is larger than the sum of its proper divisors (4790065).

30343142303 is an equidigital number, since it uses as much as digits as its factorization.

30343142303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4790064.

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 30343142303 its reverse (30324134303), we get a palindrome (60667276606).

The spelling of 30343142303 in words is "thirty billion, three hundred forty-three million, one hundred forty-two thousand, three hundred three".

Divisors: 1 6343 4783721 30343142303