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12140305325 = 52895456317
BaseRepresentation
bin10110100111001111…
…00101101110101101
31011100002010102001222
423103213211232231
5144330404232300
65324400513125
7606563615111
oct132347455655
934302112058
1012140305325
11516a982095
12242991b7a5
1311b624ab25
14832501741
154b0c37785
hex2d39e5bad

12140305325 has 12 divisors (see below), whose sum is σ = 15223127220. Its totient is φ = 9603116160.

The previous prime is 12140305301. The next prime is 12140305327. The reversal of 12140305325 is 52350304121.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 3055546729 + 9084758596 = 55277^2 + 95314^2 .

It is not a de Polignac number, because 12140305325 - 210 = 12140304301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12140305294 and 12140305303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12140305327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2725934 + ... + 2730383.

It is an arithmetic number, because the mean of its divisors is an integer number (1268593935).

Almost surely, 212140305325 is an apocalyptic number.

It is an amenable number.

12140305325 is a deficient number, since it is larger than the sum of its proper divisors (3082821895).

12140305325 is an equidigital number, since it uses as much as digits as its factorization.

12140305325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5456416 (or 5456411 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 12140305325 its reverse (52350304121), we get a palindrome (64490609446).

The spelling of 12140305325 in words is "twelve billion, one hundred forty million, three hundred five thousand, three hundred twenty-five".

Divisors: 1 5 25 89 445 2225 5456317 27281585 136407925 485612213 2428061065 12140305325