Base | Representation |
---|---|
bin | 101110010010… |
… | …011001011111 |
3 | 211211110200210 |
4 | 232102121133 |
5 | 11101241413 |
6 | 1112023503 |
7 | 205065021 |
oct | 56223137 |
9 | 24743623 |
10 | 12133983 |
11 | 6938494 |
12 | 4091b93 |
13 | 268ac94 |
14 | 187c011 |
15 | 10ea3c3 |
hex | b9265f |
12133983 has 4 divisors (see below), whose sum is σ = 16178648. Its totient is φ = 8089320.
The previous prime is 12133973. The next prime is 12133997. The reversal of 12133983 is 38933121.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38933121 = 3 ⋅12977707.
It is not a de Polignac number, because 12133983 - 210 = 12132959 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12133983.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12133963) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2022328 + ... + 2022333.
It is an arithmetic number, because the mean of its divisors is an integer number (4044662).
Almost surely, 212133983 is an apocalyptic number.
12133983 is a deficient number, since it is larger than the sum of its proper divisors (4044665).
12133983 is an equidigital number, since it uses as much as digits as its factorization.
12133983 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4044664.
The product of its digits is 3888, while the sum is 30.
The square root of 12133983 is about 3483.3867141045. The cubic root of 12133983 is about 229.7917648982.
The spelling of 12133983 in words is "twelve million, one hundred thirty-three thousand, nine hundred eighty-three".
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