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20304344103 = 314874551523
BaseRepresentation
bin10010111010001110…
…111011010000100111
31221102001012112212120
4102322032323100213
5313040403002403
613154440321023
71316106035331
oct227216732047
957361175776
1020304344103
11867a30027a
123b27a73173
131bb7766ac4
14da88aa451
157dc836e53
hex4ba3bb427

20304344103 has 8 divisors (see below), whose sum is σ = 27090670848. Its totient is φ = 13527123384.

The previous prime is 20304344101. The next prime is 20304344141. The reversal of 20304344103 is 30144340302.

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

It is not a de Polignac number, because 20304344103 - 21 = 20304344101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20304344101) 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 7 ways as a sum of consecutive naturals, for example, 2271301 + ... + 2280222.

It is an arithmetic number, because the mean of its divisors is an integer number (3386333856).

Almost surely, 220304344103 is an apocalyptic number.

20304344103 is a deficient number, since it is larger than the sum of its proper divisors (6786326745).

20304344103 is a wasteful number, since it uses less digits than its factorization.

20304344103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4553013.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20304344103 its reverse (30144340302), we get a palindrome (50448684405).

The spelling of 20304344103 in words is "twenty billion, three hundred four million, three hundred forty-four thousand, one hundred three".

Divisors: 1 3 1487 4461 4551523 13654569 6768114701 20304344103