Base | Representation |
---|---|
bin | 1110110010001… |
… | …00100100101001 |
3 | 22122100111122012 |
4 | 13121010210221 |
5 | 223221402331 |
6 | 20150005305 |
7 | 3034043321 |
oct | 731044451 |
9 | 278314565 |
10 | 124012841 |
11 | 64002757 |
12 | 35646835 |
13 | 1c9005a4 |
14 | 12682281 |
15 | ad4982b |
hex | 7644929 |
124012841 has 4 divisors (see below), whose sum is σ = 131307732. Its totient is φ = 116717952.
The previous prime is 124012831. The next prime is 124012843. The reversal of 124012841 is 148210421.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 148210421 = 241 ⋅614981.
It can be written as a sum of positive squares in 2 ways, for example, as 88360000 + 35652841 = 9400^2 + 5971^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-124012841 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (124012843) 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, 3647420 + ... + 3647453.
It is an arithmetic number, because the mean of its divisors is an integer number (32826933).
Almost surely, 2124012841 is an apocalyptic number.
It is an amenable number.
124012841 is a deficient number, since it is larger than the sum of its proper divisors (7294891).
124012841 is an equidigital number, since it uses as much as digits as its factorization.
124012841 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7294890.
The product of its (nonzero) digits is 512, while the sum is 23.
The square root of 124012841 is about 11136.1052886546. The cubic root of 124012841 is about 498.6803078899.
The spelling of 124012841 in words is "one hundred twenty-four million, twelve thousand, eight hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •