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12102303 = 34034101
BaseRepresentation
bin101110001010…
…101010011111
3211202212020110
4232022222133
511044233203
61111221103
7204603453
oct56125237
924685213
1012102303
116916704
124077793
132679735
141870663
1510e0d03
hexb8aa9f

12102303 has 4 divisors (see below), whose sum is σ = 16136408. Its totient is φ = 8068200.

The previous prime is 12102289. The next prime is 12102329. The reversal of 12102303 is 30320121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12102303 - 24 = 12102287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102383) 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, 2017048 + ... + 2017053.

It is an arithmetic number, because the mean of its divisors is an integer number (4034102).

Almost surely, 212102303 is an apocalyptic number.

12102303 is a deficient number, since it is larger than the sum of its proper divisors (4034105).

12102303 is an equidigital number, since it uses as much as digits as its factorization.

12102303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4034104.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 12102303 is about 3478.8364434104. The cubic root of 12102303 is about 229.5916067197.

Adding to 12102303 its reverse (30320121), we get a palindrome (42422424).

The spelling of 12102303 in words is "twelve million, one hundred two thousand, three hundred three".

Divisors: 1 3 4034101 12102303