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5440143030321 = 31813381010107
BaseRepresentation
bin100111100101010000111…
…0010101111100000110001
3201021001221220212201121210
41033022201302233200301
51203112403103432241
615323100041110333
71101015546535026
oct117124162574061
921231856781553
105440143030321
111808173a0977a
1273a404a883a9
133060072b358c
1414b43910954d
159679d456316
hex4f2a1caf831

5440143030321 has 4 divisors (see below), whose sum is σ = 7253524040432. Its totient is φ = 3626762020212.

The previous prime is 5440143030313. The next prime is 5440143030349. The reversal of 5440143030321 is 1230303410445.

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 not a de Polignac number, because 5440143030321 - 23 = 5440143030313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5440143031321) 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, 906690505051 + ... + 906690505056.

It is an arithmetic number, because the mean of its divisors is an integer number (1813381010108).

Almost surely, 25440143030321 is an apocalyptic number.

It is an amenable number.

5440143030321 is a deficient number, since it is larger than the sum of its proper divisors (1813381010111).

5440143030321 is a wasteful number, since it uses less digits than its factorization.

5440143030321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813381010110.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 5440143030321 its reverse (1230303410445), we get a palindrome (6670446440766).

The spelling of 5440143030321 in words is "five trillion, four hundred forty billion, one hundred forty-three million, thirty thousand, three hundred twenty-one".

Divisors: 1 3 1813381010107 5440143030321