Base | Representation |
---|---|
bin | 101011000010011… |
… | …1111101100001001 |
3 | 10201122102102101222 |
4 | 1112010333230021 |
5 | 10424200300100 |
6 | 355145051425 |
7 | 50534033633 |
oct | 12604775411 |
9 | 3648372358 |
10 | 1444150025 |
11 | 68120431a |
12 | 343786b75 |
13 | 1a0269256 |
14 | d9b25a53 |
15 | 86bb6485 |
hex | 5613fb09 |
1444150025 has 12 divisors (see below), whose sum is σ = 1791242124. Its totient is φ = 1155000000.
The previous prime is 1444149991. The next prime is 1444150027. The reversal of 1444150025 is 5200514441.
It can be written as a sum of positive squares in 6 ways, for example, as 8649481 + 1435500544 = 2941^2 + 37888^2 .
It is not a de Polignac number, because 1444150025 - 28 = 1444149769 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1444149976 and 1444150003.
It is not an unprimeable number, because it can be changed into a prime (1444150027) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132275 + ... + 142775.
It is an arithmetic number, because the mean of its divisors is an integer number (149270177).
Almost surely, 21444150025 is an apocalyptic number.
It is an amenable number.
1444150025 is a deficient number, since it is larger than the sum of its proper divisors (347092099).
1444150025 is a wasteful number, since it uses less digits than its factorization.
1444150025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16012 (or 16007 counting only the distinct ones).
The product of its (nonzero) digits is 3200, while the sum is 26.
The square root of 1444150025 is about 38001.9739618878. The cubic root of 1444150025 is about 1130.3270061509.
Adding to 1444150025 its reverse (5200514441), we get a palindrome (6644664466).
The spelling of 1444150025 in words is "one billion, four hundred forty-four million, one hundred fifty thousand, twenty-five".
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