Base | Representation |
---|---|
bin | 101110010011… |
… | …111001011100 |
3 | 211211210010020 |
4 | 232103321130 |
5 | 11101440444 |
6 | 1112112140 |
7 | 205121643 |
oct | 56237134 |
9 | 24753106 |
10 | 12140124 |
11 | 6942067 |
12 | 4095650 |
13 | 2690a09 |
14 | 188035a |
15 | 10ec119 |
hex | b93e5c |
12140124 has 12 divisors (see below), whose sum is σ = 28326984. Its totient is φ = 4046704.
The previous prime is 12140123. The next prime is 12140129. The reversal of 12140124 is 42104121.
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-2 number, since 2×121401242 = 294765221470752, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12140123) 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, 505827 + ... + 505850.
It is an arithmetic number, because the mean of its divisors is an integer number (2360582).
Almost surely, 212140124 is an apocalyptic number.
It is an amenable number.
12140124 is an abundant number, since it is smaller than the sum of its proper divisors (16186860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12140124 is a wasteful number, since it uses less digits than its factorization.
12140124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1011684 (or 1011682 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 15.
The square root of 12140124 is about 3484.2680723503. The cubic root of 12140124 is about 229.8305241755.
Adding to 12140124 its reverse (42104121), we get a palindrome (54244245).
The spelling of 12140124 in words is "twelve million, one hundred forty thousand, one hundred twenty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •