Base | Representation |
---|---|
bin | 101001001011101111… |
… | …100011111010010101 |
3 | 11020010210112200211120 |
4 | 221023233203322111 |
5 | 1211030412311041 |
6 | 32151541154153 |
7 | 3123552320223 |
oct | 511357437225 |
9 | 136123480746 |
10 | 44220432021 |
11 | 17832310097 |
12 | 86a13bb959 |
13 | 422956320c |
14 | 21d6d01b13 |
15 | 123c2a0366 |
hex | a4bbe3e95 |
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".
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