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304330315013 = 378225143649
BaseRepresentation
bin1000110110110111000…
…00000001010100000101
31002002112022011211012122
410123123200001110011
514441232030040023
6351450222455325
730662405665424
oct4333340012405
91062468154178
10304330315013
1110807a59003a
124ab93734545
132291000359a
1410a302bb2bb
157db29302c8
hex46db801505

304330315013 has 4 divisors (see below), whose sum is σ = 312555458700. Its totient is φ = 296105171328.

The previous prime is 304330315007. The next prime is 304330315027. The reversal of 304330315013 is 310513033403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310513033403 = 1687371840219.

It can be written as a sum of positive squares in 2 ways, for example, as 243263009089 + 61067305924 = 493217^2 + 247118^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-304330315013 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 (304330315043) 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, 4112571788 + ... + 4112571861.

It is an arithmetic number, because the mean of its divisors is an integer number (78138864675).

Almost surely, 2304330315013 is an apocalyptic number.

It is an amenable number.

304330315013 is a deficient number, since it is larger than the sum of its proper divisors (8225143687).

304330315013 is an equidigital number, since it uses as much as digits as its factorization.

304330315013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8225143686.

The product of its (nonzero) digits is 4860, while the sum is 26.

Adding to 304330315013 its reverse (310513033403), we get a palindrome (614843348416).

The spelling of 304330315013 in words is "three hundred four billion, three hundred thirty million, three hundred fifteen thousand, thirteen".

Divisors: 1 37 8225143649 304330315013