Base | Representation |
---|---|
bin | 101110011001… |
… | …101110001111 |
3 | 211212222211220 |
4 | 232121232033 |
5 | 11103221413 |
6 | 1112414423 |
7 | 205251336 |
oct | 56315617 |
9 | 24788756 |
10 | 12163983 |
11 | 6958a87 |
12 | 40a7413 |
13 | 269b830 |
14 | 1888d1d |
15 | 1104223 |
hex | b99b8f |
12163983 has 8 divisors (see below), whose sum is σ = 17466288. Its totient is φ = 7485504.
The previous prime is 12163979. The next prime is 12163999. The reversal of 12163983 is 38936121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12163983 - 22 = 12163979 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12163973) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155910 + ... + 155987.
It is an arithmetic number, because the mean of its divisors is an integer number (2183286).
Almost surely, 212163983 is an apocalyptic number.
12163983 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
12163983 is a deficient number, since it is larger than the sum of its proper divisors (5302305).
12163983 is a wasteful number, since it uses less digits than its factorization.
12163983 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 311913.
The product of its digits is 7776, while the sum is 33.
The square root of 12163983 is about 3487.6902098667. The cubic root of 12163983 is about 229.9809877164.
The spelling of 12163983 in words is "twelve million, one hundred sixty-three thousand, nine hundred eighty-three".
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