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12163429 = 41296669
BaseRepresentation
bin101110011001…
…100101100101
3211212222002101
4232121211211
511103212204
61112412101
7205246615
oct56314545
924788071
1012163429
116958623
1240a7031
13269b4c5
141888a45
151103ea4
hexb99965

12163429 has 4 divisors (see below), whose sum is σ = 12460140. Its totient is φ = 11866720.

The previous prime is 12163423. The next prime is 12163519. The reversal of 12163429 is 92436121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92436121 = 194865059.

It can be written as a sum of positive squares in 2 ways, for example, as 5522500 + 6640929 = 2350^2 + 2577^2 .

It is a cyclic number.

It is not a de Polignac number, because 12163429 - 27 = 12163301 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 12163397 and 12163406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12163423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148294 + ... + 148375.

It is an arithmetic number, because the mean of its divisors is an integer number (3115035).

Almost surely, 212163429 is an apocalyptic number.

It is an amenable number.

12163429 is a deficient number, since it is larger than the sum of its proper divisors (296711).

12163429 is an equidigital number, since it uses as much as digits as its factorization.

12163429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296710.

The product of its digits is 2592, while the sum is 28.

The square root of 12163429 is about 3487.6107867708. The cubic root of 12163429 is about 229.9774962229.

The spelling of 12163429 in words is "twelve million, one hundred sixty-three thousand, four hundred twenty-nine".

Divisors: 1 41 296669 12163429