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20304143030 = 252030414303
BaseRepresentation
bin10010111010001110…
…001010001010110110
31221102000211100001102
4102322032022022312
5313040330034110
613154432130102
71316104240163
oct227216121266
957360740042
1020304143030
11867a1831a6
123b27996932
131bb76c6422
14da885706a
157dc7e75a5
hex4ba38a2b6

20304143030 has 8 divisors (see below), whose sum is σ = 36547457472. Its totient is φ = 8121657208.

The previous prime is 20304143009. The next prime is 20304143047. The reversal of 20304143030 is 3034140302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20304142993 and 20304143011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1015207142 + ... + 1015207161.

It is an arithmetic number, because the mean of its divisors is an integer number (4568432184).

Almost surely, 220304143030 is an apocalyptic number.

20304143030 is a deficient number, since it is larger than the sum of its proper divisors (16243314442).

20304143030 is a wasteful number, since it uses less digits than its factorization.

20304143030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030414310.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20304143030 its reverse (3034140302), we get a palindrome (23338283332).

The spelling of 20304143030 in words is "twenty billion, three hundred four million, one hundred forty-three thousand, thirty".

Divisors: 1 2 5 10 2030414303 4060828606 10152071515 20304143030