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44220432021 = 3191871414643
BaseRepresentation
bin101001001011101111…
…100011111010010101
311020010210112200211120
4221023233203322111
51211030412311041
632151541154153
73123552320223
oct511357437225
9136123480746
1044220432021
1117832310097
1286a13bb959
13422956320c
1421d6d01b13
15123c2a0366
hexa4bbe3e95

44220432021 has 16 divisors (see below), whose sum is σ = 62097085440. Its totient is φ = 27913699440.

The previous prime is 44220431947. The next prime is 44220432031. The reversal of 44220432021 is 12023402244.

It is not a de Polignac number, because 44220432021 - 210 = 44220430997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44220431982 and 44220432000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44220432031) 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, 100675 + ... + 313968.

It is an arithmetic number, because the mean of its divisors is an integer number (3881067840).

Almost surely, 244220432021 is an apocalyptic number.

It is an amenable number.

44220432021 is a deficient number, since it is larger than the sum of its proper divisors (17876653419).

44220432021 is a wasteful number, since it uses less digits than its factorization.

44220432021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416536.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 44220432021 its reverse (12023402244), we get a palindrome (56243834265).

The spelling of 44220432021 in words is "forty-four billion, two hundred twenty million, four hundred thirty-two thousand, twenty-one".

Divisors: 1 3 19 57 1871 5613 35549 106647 414643 1243929 7878217 23634651 775797053 2327391159 14740144007 44220432021