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5444031021 = 3111312690049
BaseRepresentation
bin1010001000111110…
…10101001000101101
3112001101220102121120
411010133111020231
542122132443041
62300112251153
7251623333362
oct50437251055
915041812546
105444031021
1123440170a0
12107b240ab9
13689b48740
14399048469
1521ce16366
hex1447d522d

5444031021 has 16 divisors (see below), whose sum is σ = 8527713600. Its totient is φ = 3045611520.

The previous prime is 5444031017. The next prime is 5444031037. The reversal of 5444031021 is 1201304445.

It is not a de Polignac number, because 5444031021 - 22 = 5444031017 is a prime.

It is a super-2 number, since 2×54440310212 = 59274947515220604882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5444030982 and 5444031000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5444031011) 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, 6344596 + ... + 6345453.

It is an arithmetic number, because the mean of its divisors is an integer number (532982100).

Almost surely, 25444031021 is an apocalyptic number.

It is an amenable number.

5444031021 is a deficient number, since it is larger than the sum of its proper divisors (3083682579).

5444031021 is a wasteful number, since it uses less digits than its factorization.

5444031021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12690076.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 5444031021 is about 73783.6771989578. The cubic root of 5444031021 is about 1759.1661663340.

Adding to 5444031021 its reverse (1201304445), we get a palindrome (6645335466).

The spelling of 5444031021 in words is "five billion, four hundred forty-four million, thirty-one thousand, twenty-one".

Divisors: 1 3 11 13 33 39 143 429 12690049 38070147 139590539 164970637 418771617 494911911 1814677007 5444031021