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12105575029 is a prime number
BaseRepresentation
bin10110100011000110…
…00110101001110101
31011020122202221001201
423101203012221311
5144243011400104
65321120252501
7605662455442
oct132143065165
934218687051
1012105575029
115152310769
12241a171131
1311abcaaa62
1482ba609c9
154acb770a4
hex2d18c6a75

12105575029 has 2 divisors, whose sum is σ = 12105575030. Its totient is φ = 12105575028.

The previous prime is 12105575023. The next prime is 12105575093. The reversal of 12105575029 is 92057550121.

12105575029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6161936004 + 5943639025 = 78498^2 + 77095^2 .

It is a cyclic number.

It is not a de Polignac number, because 12105575029 - 29 = 12105574517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12105575023) 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 as a sum of consecutive naturals, namely, 6052787514 + 6052787515.

It is an arithmetic number, because the mean of its divisors is an integer number (6052787515).

Almost surely, 212105575029 is an apocalyptic number.

It is an amenable number.

12105575029 is a deficient number, since it is larger than the sum of its proper divisors (1).

12105575029 is an equidigital number, since it uses as much as digits as its factorization.

12105575029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31500, while the sum is 37.

The spelling of 12105575029 in words is "twelve billion, one hundred five million, five hundred seventy-five thousand, twenty-nine".