Base | Representation |
---|---|
bin | 101110011010… |
… | …111011111011 |
3 | 211220020200001 |
4 | 232122323323 |
5 | 11103401310 |
6 | 1112453431 |
7 | 205302001 |
oct | 56327373 |
9 | 24806601 |
10 | 12168955 |
11 | 6961797 |
12 | 40aa277 |
13 | 26a0b86 |
14 | 188aa71 |
15 | 110593a |
hex | b9aefb |
12168955 has 8 divisors (see below), whose sum is σ = 15237792. Its totient is φ = 9311808.
The previous prime is 12168929. The next prime is 12168973. The reversal of 12168955 is 55986121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12168955 is a prime.
It is a Duffinian number.
It is an unprimeable number.
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 in 7 ways as a sum of consecutive naturals, for example, 52794 + ... + 53023.
It is an arithmetic number, because the mean of its divisors is an integer number (1904724).
Almost surely, 212168955 is an apocalyptic number.
12168955 is a deficient number, since it is larger than the sum of its proper divisors (3068837).
12168955 is a wasteful number, since it uses less digits than its factorization.
12168955 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 105845.
The product of its digits is 21600, while the sum is 37.
The square root of 12168955 is about 3488.4029297087. The cubic root of 12168955 is about 230.0123181808.
The spelling of 12168955 in words is "twelve million, one hundred sixty-eight thousand, nine hundred fifty-five".
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