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12102300 = 223252717113
BaseRepresentation
bin101110001010…
…101010011100
3211202212020100
4232022222130
511044233200
61111221100
7204603450
oct56125234
924685210
1012102300
116916701
124077790
132679732
141870660
1510e0d00
hexb8aa9c

12102300 has 216 divisors, whose sum is σ = 46309536. Its totient is φ = 2580480.

The previous prime is 12102289. The next prime is 12102329. The reversal of 12102300 is 320121.

It is a happy number.

12102300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a zygodrome in base 6.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 107044 + ... + 107156.

It is an arithmetic number, because the mean of its divisors is an integer number (214396).

Almost surely, 212102300 is an apocalyptic number.

12102300 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 12102300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23154768).

12102300 is an abundant number, since it is smaller than the sum of its proper divisors (34207236).

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

12102300 is a wasteful number, since it uses less digits than its factorization.

12102300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 12102300 is about 3478.8360122317. The cubic root of 12102300 is about 229.5915877488.

Adding to 12102300 its reverse (320121), we get a palindrome (12422421).

The spelling of 12102300 in words is "twelve million, one hundred two thousand, three hundred".