Base | Representation |
---|---|
bin | 101011000010011… |
… | …1000101010011001 |
3 | 10201122100221220220 |
4 | 1112010320222121 |
5 | 10424143334431 |
6 | 355144310253 |
7 | 50533554003 |
oct | 12604705231 |
9 | 3648327826 |
10 | 1444121241 |
11 | 681194732 |
12 | 343772389 |
13 | 1a0259114 |
14 | d9b19373 |
15 | 86bacb96 |
hex | 56138a99 |
1444121241 has 4 divisors (see below), whose sum is σ = 1925494992. Its totient is φ = 962747492.
The previous prime is 1444121227. The next prime is 1444121243. The reversal of 1444121241 is 1421214441.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 1444121241 - 26 = 1444121177 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1444121243) 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, 240686871 + ... + 240686876.
It is an arithmetic number, because the mean of its divisors is an integer number (481373748).
Almost surely, 21444121241 is an apocalyptic number.
It is an amenable number.
1444121241 is a deficient number, since it is larger than the sum of its proper divisors (481373751).
1444121241 is an equidigital number, since it uses as much as digits as its factorization.
1444121241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 481373750.
The product of its digits is 1024, while the sum is 24.
The square root of 1444121241 is about 38001.5952428316. The cubic root of 1444121241 is about 1130.3194964166.
Adding to 1444121241 its reverse (1421214441), we get a palindrome (2865335682).
The spelling of 1444121241 in words is "one billion, four hundred forty-four million, one hundred twenty-one thousand, two hundred forty-one".
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