Base | Representation |
---|---|
bin | 101010111100100… |
… | …0110001101110111 |
3 | 10201102112221221200 |
4 | 1111321012031313 |
5 | 10422400443111 |
6 | 354554143543 |
7 | 50465363436 |
oct | 12571061567 |
9 | 3642487850 |
10 | 1441031031 |
11 | 67a473a40 |
12 | 342721bb3 |
13 | 19c7166ab |
14 | d955311d |
15 | 8679c256 |
hex | 55e46377 |
1441031031 has 24 divisors (see below), whose sum is σ = 2290828176. Its totient is φ = 865616640.
The previous prime is 1441030991. The next prime is 1441031069. The reversal of 1441031031 is 1301301441.
It is not a de Polignac number, because 1441031031 - 214 = 1441014647 is a prime.
It is a super-2 number, since 2×14410310312 = 4153140864609845922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1441030995 and 1441031013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1441031071) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53220 + ... + 75593.
It is an arithmetic number, because the mean of its divisors is an integer number (95451174).
Almost surely, 21441031031 is an apocalyptic number.
1441031031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1441031031 is a deficient number, since it is larger than the sum of its proper divisors (849797145).
1441031031 is a wasteful number, since it uses less digits than its factorization.
1441031031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 128943 (or 128940 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 1441031031 is about 37960.9145174349. The cubic root of 1441031031 is about 1129.5126807263.
Adding to 1441031031 its reverse (1301301441), we get a palindrome (2742332472).
The spelling of 1441031031 in words is "one billion, four hundred forty-one million, thirty-one thousand, thirty-one".
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