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44002213120 = 28534376729
BaseRepresentation
bin101000111110101111…
…000111110100000000
311012120120221000210001
4220332233013310000
51210104031304440
632114144045344
73115262432425
oct507657076400
9135516830701
1044002213120
1117730113a98
128640303854
1341c329a3c8
1421b5d39d4c
151228047b9a
hexa3ebc7d00

44002213120 has 36 divisors (see below), whose sum is σ = 105399054180. Its totient is φ = 17600884736.

The previous prime is 44002213093. The next prime is 44002213127. The reversal of 44002213120 is 2131220044.

44002213120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 14026138624 + 29976074496 = 118432^2 + 173136^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44002213127) 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, 17187085 + ... + 17189644.

It is an arithmetic number, because the mean of its divisors is an integer number (2927751505).

Almost surely, 244002213120 is an apocalyptic number.

44002213120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44002213120 is an abundant number, since it is smaller than the sum of its proper divisors (61396841060).

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

44002213120 is an equidigital number, since it uses as much as digits as its factorization.

44002213120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34376750 (or 34376736 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 44002213120 its reverse (2131220044), we get a palindrome (46133433164).

The spelling of 44002213120 in words is "forty-four billion, two million, two hundred thirteen thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 640 1280 34376729 68753458 137506916 171883645 275013832 343767290 550027664 687534580 1100055328 1375069160 2200110656 2750138320 4400221312 5500276640 8800442624 11000553280 22001106560 44002213120