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12300300000 = 25325579173
BaseRepresentation
bin10110111010010011…
…11010111011100000
31011202020011222111200
423131021322323200
5200142334100000
65352314041200
7613545552642
oct133511727340
934666158450
1012300300000
11524222049a
122473419200
131210439031
1484986c892
154becdd500
hex2dd27aee0

12300300000 has 432 divisors, whose sum is σ = 44530274880. Its totient is φ = 3219840000.

The previous prime is 12300299983. The next prime is 12300300011. The reversal of 12300300000 is 300321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 71099914 + ... + 71100086.

It is an arithmetic number, because the mean of its divisors is an integer number (103079340).

Almost surely, 212300300000 is an apocalyptic number.

12300300000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12300300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22265137440).

12300300000 is an abundant number, since it is smaller than the sum of its proper divisors (32229974880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12300300000 is an equidigital number, since it uses as much as digits as its factorization.

12300300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

Adding to 12300300000 its reverse (300321), we get a palindrome (12300600321).

The spelling of 12300300000 in words is "twelve billion, three hundred million, three hundred thousand".