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44012312244 = 22321222564229
BaseRepresentation
bin101000111111010101…
…101001011010110100
311012121021221010011200
4220333111221122310
51210114122442434
632115144332500
73115444324065
oct507725513264
9135537833150
1044012312244
111773589167a
128643774130
1341c53c5114
1421b740856c
151228d90199
hexa3f5696b4

44012312244 has 18 divisors (see below), whose sum is σ = 111253344930. Its totient is φ = 14670770736.

The previous prime is 44012312237. The next prime is 44012312287. The reversal of 44012312244 is 44221321044.

44012312244 is a `hidden beast` number, since 4 + 401 + 2 + 3 + 12 + 244 = 666.

It can be written as a sum of positive squares in only one way, i.e., 41927476644 + 2084835600 = 204762^2 + 45660^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 611282079 + ... + 611282150.

It is an arithmetic number, because the mean of its divisors is an integer number (6180741385).

Almost surely, 244012312244 is an apocalyptic number.

It is an amenable number.

44012312244 is an abundant number, since it is smaller than the sum of its proper divisors (67241032686).

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

44012312244 is a wasteful number, since it uses less digits than its factorization.

44012312244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222564239 (or 1222564234 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 44012312244 its reverse (44221321044), we get a palindrome (88233633288).

The spelling of 44012312244 in words is "forty-four billion, twelve million, three hundred twelve thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 1222564229 2445128458 3667692687 4890256916 7335385374 11003078061 14670770748 22006156122 44012312244