Base | Representation |
---|---|
bin | 101111110101… |
… | …110011001000 |
3 | 212121011012020 |
4 | 233311303020 |
5 | 11202304003 |
6 | 1124444440 |
7 | 211412025 |
oct | 57656310 |
9 | 25534166 |
10 | 12541128 |
11 | 7096376 |
12 | 4249720 |
13 | 27a13b2 |
14 | 194654c |
15 | 117ad53 |
hex | bf5cc8 |
12541128 has 32 divisors (see below), whose sum is σ = 31536960. Its totient is φ = 4155840.
The previous prime is 12541103. The next prime is 12541129. The reversal of 12541128 is 82114521.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a junction number, because it is equal to n+sod(n) for n = 12541098 and 12541107.
It is not an unprimeable number, because it can be changed into a prime (12541129) 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, 2901 + ... + 5787.
It is an arithmetic number, because the mean of its divisors is an integer number (985530).
Almost surely, 212541128 is an apocalyptic number.
It is an amenable number.
12541128 is an abundant number, since it is smaller than the sum of its proper divisors (18995832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12541128 is a wasteful number, since it uses less digits than its factorization.
12541128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3077 (or 3073 counting only the distinct ones).
The product of its digits is 640, while the sum is 24.
The square root of 12541128 is about 3541.3455070072. The cubic root of 12541128 is about 232.3336953864. Note that the first 3 decimals are identical.
Adding to 12541128 its reverse (82114521), we get a palindrome (94655649).
The spelling of 12541128 in words is "twelve million, five hundred forty-one thousand, one hundred twenty-eight".
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