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12140025445 = 512132001653
BaseRepresentation
bin10110100111001101…
…00001011001100101
31011100001121012011001
423103212201121211
5144330321303240
65324350513301
7606561341122
oct132346413145
934301535131
1012140025445
11516a800889
122429805831
1311b6180612
1483246b749
154b0bce89a
hex2d39a1665

12140025445 has 8 divisors (see below), whose sum is σ = 14580047736. Its totient is φ = 9704008896.

The previous prime is 12140025323. The next prime is 12140025449. The reversal of 12140025445 is 54452004121.

12140025445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 132687361 + 12007338084 = 11519^2 + 109578^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12140025445 - 217 = 12139894373 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 (12140025449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 994762 + ... + 1006891.

It is an arithmetic number, because the mean of its divisors is an integer number (1822505967).

Almost surely, 212140025445 is an apocalyptic number.

It is an amenable number.

12140025445 is a deficient number, since it is larger than the sum of its proper divisors (2440022291).

12140025445 is a wasteful number, since it uses less digits than its factorization.

12140025445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002871.

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 12140025445 its reverse (54452004121), we get a palindrome (66592029566).

The spelling of 12140025445 in words is "twelve billion, one hundred forty million, twenty-five thousand, four hundred forty-five".

Divisors: 1 5 1213 6065 2001653 10008265 2428005089 12140025445