Base | Representation |
---|---|
bin | 101010111100101… |
… | …1001110010111111 |
3 | 10201102201000222001 |
4 | 1111321121302333 |
5 | 10422411024411 |
6 | 355000003131 |
7 | 50466146320 |
oct | 12571316277 |
9 | 3642630861 |
10 | 1441111231 |
11 | 67a51921a |
12 | 3427604a7 |
13 | 19c744051 |
14 | d9574447 |
15 | 867b5dc1 |
hex | 55e59cbf |
1441111231 has 8 divisors (see below), whose sum is σ = 1648559744. Its totient is φ = 1234056600.
The previous prime is 1441111223. The next prime is 1441111247. The reversal of 1441111231 is 1321111441.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1441111231 - 23 = 1441111223 is a prime.
It is a super-2 number, since 2×14411112312 = 4153603160228670722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1441111199 and 1441111208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1441111271) 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, 90585 + ... + 105298.
It is an arithmetic number, because the mean of its divisors is an integer number (206069968).
Almost surely, 21441111231 is an apocalyptic number.
1441111231 is a deficient number, since it is larger than the sum of its proper divisors (207448513).
1441111231 is a wasteful number, since it uses less digits than its factorization.
1441111231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 196941.
The product of its digits is 96, while the sum is 19.
The square root of 1441111231 is about 37961.9708524202. The cubic root of 1441111231 is about 1129.5336345283.
Adding to 1441111231 its reverse (1321111441), we get a palindrome (2762222672).
The spelling of 1441111231 in words is "one billion, four hundred forty-one million, one hundred eleven thousand, two hundred thirty-one".
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