Base | Representation |
---|---|
bin | 1110110101011… |
… | …01110101101101 |
3 | 22200011102002112 |
4 | 13122231311231 |
5 | 223324202023 |
6 | 20203133405 |
7 | 3040520351 |
oct | 732556555 |
9 | 280142075 |
10 | 124444013 |
11 | 642776a1 |
12 | 35814265 |
13 | 1ca21915 |
14 | 12755461 |
15 | add2478 |
hex | 76add6d |
124444013 has 8 divisors (see below), whose sum is σ = 128941056. Its totient is φ = 119977200.
The previous prime is 124444003. The next prime is 124444027. The reversal of 124444013 is 310444421.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 124444013 - 24 = 124443997 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 124444013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (124444003) 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, 995 + ... + 15807.
It is an arithmetic number, because the mean of its divisors is an integer number (16117632).
Almost surely, 2124444013 is an apocalyptic number.
It is an amenable number.
124444013 is a deficient number, since it is larger than the sum of its proper divisors (4497043).
124444013 is a wasteful number, since it uses less digits than its factorization.
124444013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15115.
The product of its (nonzero) digits is 1536, while the sum is 23.
The square root of 124444013 is about 11155.4476826347. The cubic root of 124444013 is about 499.2575821772.
Adding to 124444013 its reverse (310444421), we get a palindrome (434888434).
The spelling of 124444013 in words is "one hundred twenty-four million, four hundred forty-four thousand, thirteen".
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