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12357863427 = 3713122337013
BaseRepresentation
bin10111000001001011…
…00000100000000011
31011220020111111200110
423200211200200003
5200302103112202
65402131522403
7615145051230
oct134045404003
934806444613
1012357863427
115271767778
12248a759403
13121c341c30
14853374787
154c4dae26c
hex2e0960803

12357863427 has 32 divisors (see below), whose sum is σ = 20296700928. Its totient is φ = 6512927616.

The previous prime is 12357863417. The next prime is 12357863491. The reversal of 12357863427 is 72436875321.

It is not a de Polignac number, because 12357863427 - 216 = 12357797891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12357863417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 315373 + ... + 352385.

It is an arithmetic number, because the mean of its divisors is an integer number (634271904).

Almost surely, 212357863427 is an apocalyptic number.

12357863427 is a deficient number, since it is larger than the sum of its proper divisors (7938837501).

12357863427 is a wasteful number, since it uses less digits than its factorization.

12357863427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38259.

The product of its digits is 1693440, while the sum is 48.

The spelling of 12357863427 in words is "twelve billion, three hundred fifty-seven million, eight hundred sixty-three thousand, four hundred twenty-seven".

Divisors: 1 3 7 13 21 39 91 273 1223 3669 8561 15899 25683 37013 47697 111039 111293 259091 333879 481169 777273 1443507 3368183 10104549 45266899 135800697 316868293 588469687 950604879 1765409061 4119287809 12357863427