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12426112425 = 352592808161
BaseRepresentation
bin10111001001010011…
…10110110110101001
31012001222220220201010
423210221312312221
5200422041044200
65413010414133
7616634133006
oct134451666651
935058826633
1012426112425
1152a7242201
1224a9591349
13123051975c
1485c45c8ad
154cad91150
hex2e4a76da9

12426112425 has 24 divisors (see below), whose sum is σ = 20892725280. Its totient is φ = 6514931200.

The previous prime is 12426112399. The next prime is 12426112427. The reversal of 12426112425 is 52421162421.

It is not a de Polignac number, because 12426112425 - 29 = 12426111913 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12426112392 and 12426112401.

It is not an unprimeable number, because it can be changed into a prime (12426112427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1399656 + ... + 1408505.

It is an arithmetic number, because the mean of its divisors is an integer number (870530220).

Almost surely, 212426112425 is an apocalyptic number.

12426112425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12426112425 is a deficient number, since it is larger than the sum of its proper divisors (8466612855).

12426112425 is a wasteful number, since it uses less digits than its factorization.

12426112425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2808233 (or 2808228 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

Adding to 12426112425 its reverse (52421162421), we get a palindrome (64847274846).

The spelling of 12426112425 in words is "twelve billion, four hundred twenty-six million, one hundred twelve thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 59 75 177 295 885 1475 4425 2808161 8424483 14040805 42122415 70204025 165681499 210612075 497044497 828407495 2485222485 4142037475 12426112425