Base | Representation |
---|---|
bin | 10110111100110010… |
… | …10010100011111001 |
3 | 1011210200100001012112 |
4 | 23132121102203321 |
5 | 200213200344134 |
6 | 5354340022105 |
7 | 614220450221 |
oct | 133631224371 |
9 | 34720301175 |
10 | 12321106169 |
11 | 5252a41479 |
12 | 247a391935 |
13 | 1214842388 |
14 | 84c527081 |
15 | 4c1a4d1ce |
hex | 2de6528f9 |
12321106169 has 4 divisors (see below), whose sum is σ = 12505003344. Its totient is φ = 12137208996.
The previous prime is 12321106163. The next prime is 12321106183. The reversal of 12321106169 is 96160112321.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 12321106169 - 232 = 8026138873 is a prime.
It is a super-2 number, since 2×123211061692 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12321106163) 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 3 ways as a sum of consecutive naturals, for example, 91948487 + ... + 91948620.
It is an arithmetic number, because the mean of its divisors is an integer number (3126250836).
Almost surely, 212321106169 is an apocalyptic number.
It is an amenable number.
12321106169 is a deficient number, since it is larger than the sum of its proper divisors (183897175).
12321106169 is an equidigital number, since it uses as much as digits as its factorization.
12321106169 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 183897174.
The product of its (nonzero) digits is 3888, while the sum is 32.
The spelling of 12321106169 in words is "twelve billion, three hundred twenty-one million, one hundred six thousand, one hundred sixty-nine".
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