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12300230303 = 17723542959
BaseRepresentation
bin10110111010010011…
…01001111010011111
31011202020001102220022
423131021221322133
5200142324332203
65352312342355
7613545142514
oct133511517237
934666042808
1012300230303
115242183099
1224733a49bb
1312104133aa
1484985130b
154becc7a38
hex2dd269e9f

12300230303 has 4 divisors (see below), whose sum is σ = 13023773280. Its totient is φ = 11576687328.

The previous prime is 12300230287. The next prime is 12300230333. The reversal of 12300230303 is 30303200321.

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 12300230303 - 24 = 12300230287 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 723542959 = 12300230303 / (1 + 2 + 3 + 0 + 0 + 2 + 3 + 0 + 3 + 0 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12300230333) 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, 361771463 + ... + 361771496.

It is an arithmetic number, because the mean of its divisors is an integer number (3255943320).

Almost surely, 212300230303 is an apocalyptic number.

12300230303 is a deficient number, since it is larger than the sum of its proper divisors (723542977).

12300230303 is an equidigital number, since it uses as much as digits as its factorization.

12300230303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723542976.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 12300230303 its reverse (30303200321), we get a palindrome (42603430624).

The spelling of 12300230303 in words is "twelve billion, three hundred million, two hundred thirty thousand, three hundred three".

Divisors: 1 17 723542959 12300230303