Base | Representation |
---|---|
bin | 101111001001… |
… | …000111110000 |
3 | 212020212011110 |
4 | 233021013300 |
5 | 11130430003 |
6 | 1120513320 |
7 | 210020346 |
oct | 57110760 |
9 | 25225143 |
10 | 12358128 |
11 | 6a80932 |
12 | 417b840 |
13 | 2739003 |
14 | 18d9996 |
15 | 1141a03 |
hex | bc91f0 |
12358128 has 40 divisors (see below), whose sum is σ = 32339200. Its totient is φ = 4065984.
The previous prime is 12358123. The next prime is 12358163. The reversal of 12358128 is 82185321.
12358128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 12358095 and 12358104.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12358123) 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, 2163 + ... + 5421.
It is an arithmetic number, because the mean of its divisors is an integer number (808480).
Almost surely, 212358128 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12358128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16169600).
12358128 is an abundant number, since it is smaller than the sum of its proper divisors (19981072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12358128 is a wasteful number, since it uses less digits than its factorization.
12358128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3349 (or 3343 counting only the distinct ones).
The product of its digits is 3840, while the sum is 30.
The square root of 12358128 is about 3515.4129202698. The cubic root of 12358128 is about 231.1980835000.
The spelling of 12358128 in words is "twelve million, three hundred fifty-eight thousand, one hundred twenty-eight".
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