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30303140423 = 72741682449
BaseRepresentation
bin11100001110001101…
…010011101001000111
32220012212201000212012
4130032031103221013
5444030100443143
621530541244435
72121640305113
oct341615235107
986185630765
1030303140423
1111940372a06
125a5856371b
132b1c12242a
1416767d8743
15bc5558418
hex70e353a47

30303140423 has 4 divisors (see below), whose sum is σ = 30344823600. Its totient is φ = 30261457248.

The previous prime is 30303140411. The next prime is 30303140447. The reversal of 30303140423 is 32404130303.

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 30303140423 - 226 = 30236031559 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 (30303140453) 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, 20840498 + ... + 20841951.

It is an arithmetic number, because the mean of its divisors is an integer number (7586205900).

Almost surely, 230303140423 is an apocalyptic number.

30303140423 is a deficient number, since it is larger than the sum of its proper divisors (41683177).

30303140423 is an equidigital number, since it uses as much as digits as its factorization.

30303140423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41683176.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 30303140423 its reverse (32404130303), we get a palindrome (62707270726).

The spelling of 30303140423 in words is "thirty billion, three hundred three million, one hundred forty thousand, four hundred twenty-three".

Divisors: 1 727 41682449 30303140423