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12432305575 = 522321621401
BaseRepresentation
bin10111001010000010…
…11110110110100111
31012002102120120010001
423211001132312213
5200430132234300
65413351242131
7620040565564
oct134501366647
935072516101
1012432305575
1152aa792208
1224ab679347
1312318a7641
1485d1d186b
154cb6b616a
hex2e505eda7

12432305575 has 12 divisors (see below), whose sum is σ = 16086323088. Its totient is φ = 9513416000.

The previous prime is 12432305573. The next prime is 12432305579. The reversal of 12432305575 is 57550323421.

It is a happy number.

It is not a de Polignac number, because 12432305575 - 21 = 12432305573 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 (12432305573) 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 11 ways as a sum of consecutive naturals, for example, 10810126 + ... + 10811275.

It is an arithmetic number, because the mean of its divisors is an integer number (1340526924).

Almost surely, 212432305575 is an apocalyptic number.

12432305575 is a deficient number, since it is larger than the sum of its proper divisors (3654017513).

12432305575 is a wasteful number, since it uses less digits than its factorization.

12432305575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21621434 (or 21621429 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 37.

Adding to 12432305575 its reverse (57550323421), we get a palindrome (69982628996).

The spelling of 12432305575 in words is "twelve billion, four hundred thirty-two million, three hundred five thousand, five hundred seventy-five".

Divisors: 1 5 23 25 115 575 21621401 108107005 497292223 540535025 2486461115 12432305575