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12140203 = 76915787
BaseRepresentation
bin101110010011…
…111010101011
3211211210020011
4232103322223
511101441303
61112112351
7205122115
oct56237253
924753204
1012140203
116942129
1240956b7
132690a6a
1418803b5
1510ec16d
hexb93eab

12140203 has 4 divisors (see below), whose sum is σ = 12156760. Its totient is φ = 12123648.

The previous prime is 12140201. The next prime is 12140231. The reversal of 12140203 is 30204121.

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 12140203 - 21 = 12140201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12140201) 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, 7125 + ... + 8662.

It is an arithmetic number, because the mean of its divisors is an integer number (3039190).

Almost surely, 212140203 is an apocalyptic number.

12140203 is a deficient number, since it is larger than the sum of its proper divisors (16557).

12140203 is an equidigital number, since it uses as much as digits as its factorization.

12140203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16556.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 12140203 is about 3484.2794090027. The cubic root of 12140203 is about 229.8310227034.

Adding to 12140203 its reverse (30204121), we get a palindrome (42344324).

The spelling of 12140203 in words is "twelve million, one hundred forty thousand, two hundred three".

Divisors: 1 769 15787 12140203