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4144403131 = 112116432777
BaseRepresentation
bin1111011100000110…
…1001001010111011
3101200211102111022021
43313001221022323
531441431400011
61523124535311
7204462562651
oct36701511273
911624374267
104144403131
111837453460
12977b51537
13510810c5b
142b45c2dd1
15193c9b471
hexf70692bb

4144403131 has 16 divisors (see below), whose sum is σ = 4551297408. Its totient is φ = 3742603200.

The previous prime is 4144403129. The next prime is 4144403141. The reversal of 4144403131 is 1313044414.

It is a cyclic number.

It is not a de Polignac number, because 4144403131 - 21 = 4144403129 is a prime.

It is a super-2 number, since 2×41444031312 = 34352154624485206322, 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 = 4144403096 and 4144403105.

It is not an unprimeable number, because it can be changed into a prime (4144403111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1491015 + ... + 1493791.

It is an arithmetic number, because the mean of its divisors is an integer number (284456088).

Almost surely, 24144403131 is an apocalyptic number.

4144403131 is a deficient number, since it is larger than the sum of its proper divisors (406894277).

4144403131 is a wasteful number, since it uses less digits than its factorization.

4144403131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3642.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 4144403131 is about 64377.0388492667. The cubic root of 4144403131 is about 1606.2778268562.

Adding to 4144403131 its reverse (1313044414), we get a palindrome (5457447545).

The spelling of 4144403131 in words is "four billion, one hundred forty-four million, four hundred three thousand, one hundred thirty-one".

Divisors: 1 11 211 643 2321 2777 7073 30547 135673 585947 1492403 1785611 6445417 19641721 376763921 4144403131