Base | Representation |
---|---|
bin | 101101110100… |
… | …011011000000 |
3 | 211121020021021 |
4 | 231310123000 |
5 | 11033324300 |
6 | 1105235224 |
7 | 204044035 |
oct | 55643300 |
9 | 24536237 |
10 | 12011200 |
11 | 6864213 |
12 | 4032b14 |
13 | 2647126 |
14 | 184938c |
15 | 10c3d1a |
hex | b746c0 |
12011200 has 42 divisors (see below), whose sum is σ = 29558996. Its totient is φ = 4803840.
The previous prime is 12011189. The next prime is 12011203. The reversal of 12011200 is 211021.
It is not an unprimeable number, because it can be changed into a prime (12011203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2154 + ... + 5353.
Almost surely, 212011200 is an apocalyptic number.
12011200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12011200 is an abundant number, since it is smaller than the sum of its proper divisors (17547796).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12011200 is an equidigital number, since it uses as much as digits as its factorization.
12011200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7529 (or 7514 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 7.
The square root of 12011200 is about 3465.7178188652. The cubic root of 12011200 is about 229.0140530267.
Adding to 12011200 its reverse (211021), we get a palindrome (12222221).
It can be divided in two parts, 1201 and 1200, that added together give a 4-th power (2401 = 74).
The spelling of 12011200 in words is "twelve million, eleven thousand, two hundred".
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