Base | Representation |
---|---|
bin | 1110110010111… |
… | …00101001010001 |
3 | 22122112111220001 |
4 | 13121130221101 |
5 | 223233031231 |
6 | 20152050001 |
7 | 3034633636 |
oct | 731345121 |
9 | 278474801 |
10 | 124111441 |
11 | 6406a843 |
12 | 35693901 |
13 | 1c93642c |
14 | 126aa18d |
15 | ad68b61 |
hex | 765ca51 |
124111441 has 4 divisors (see below), whose sum is σ = 131412132. Its totient is φ = 116810752.
The previous prime is 124111423. The next prime is 124111457. The reversal of 124111441 is 144111421.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 144111421 = 5279 ⋅27299.
It can be written as a sum of positive squares in 2 ways, for example, as 64883025 + 59228416 = 8055^2 + 7696^2 .
It is a cyclic number.
It is not a de Polignac number, because 124111441 - 25 = 124111409 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (124115441) 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, 3650320 + ... + 3650353.
It is an arithmetic number, because the mean of its divisors is an integer number (32853033).
Almost surely, 2124111441 is an apocalyptic number.
It is an amenable number.
124111441 is a deficient number, since it is larger than the sum of its proper divisors (7300691).
124111441 is an equidigital number, since it uses as much as digits as its factorization.
124111441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7300690.
The product of its digits is 128, while the sum is 19.
The square root of 124111441 is about 11140.5314505189. The cubic root of 124111441 is about 498.8124362846.
Adding to 124111441 its reverse (144111421), we get a palindrome (268222862).
The spelling of 124111441 in words is "one hundred twenty-four million, one hundred eleven thousand, four hundred forty-one".
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