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44044121020 = 22513915843209
BaseRepresentation
bin101001000001001110…
…111111001110111100
311012200111210011121111
4221001032333032330
51210200243333040
632122242211404
73116311565044
oct510116771674
9135614704544
1044044121020
1117751838019
128652353b64
1341cbb81493
1421bb728724
15122ba74dea
hexa413bf3bc

44044121020 has 24 divisors (see below), whose sum is σ = 93158074800. Its totient is φ = 17490901632.

The previous prime is 44044120961. The next prime is 44044121039. The reversal of 44044121020 is 2012144044.

It is a junction number, because it is equal to n+sod(n) for n = 44044120982 and 44044121000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7918825 + ... + 7924384.

It is an arithmetic number, because the mean of its divisors is an integer number (3881586450).

Almost surely, 244044121020 is an apocalyptic number.

It is an amenable number.

44044121020 is an abundant number, since it is smaller than the sum of its proper divisors (49113953780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44044121020 is a wasteful number, since it uses less digits than its factorization.

44044121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15843357 (or 15843355 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 44044121020 its reverse (2012144044), we get a palindrome (46056265064).

The spelling of 44044121020 in words is "forty-four billion, forty-four million, one hundred twenty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 139 278 556 695 1390 2780 15843209 31686418 63372836 79216045 158432090 316864180 2202206051 4404412102 8808824204 11011030255 22022060510 44044121020