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44180668889 = 729217638763
BaseRepresentation
bin101001001001010111…
…111000000111011001
311020001000201112001222
4221021113320013121
51210440222401024
632144001021425
73122560326560
oct511127700731
9136030645058
1044180668889
11178119214a5
128690024875
134221250436
1421d1910bd7
151238a4885e
hexa495f81d9

44180668889 has 8 divisors (see below), whose sum is σ = 52233303360. Its totient is φ = 36563312016.

The previous prime is 44180668853. The next prime is 44180668901. The reversal of 44180668889 is 98886608144.

44180668889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 44180668889 - 216 = 44180603353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44180668489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108819179 + ... + 108819584.

It is an arithmetic number, because the mean of its divisors is an integer number (6529162920).

Almost surely, 244180668889 is an apocalyptic number.

It is an amenable number.

44180668889 is a deficient number, since it is larger than the sum of its proper divisors (8052634471).

44180668889 is a wasteful number, since it uses less digits than its factorization.

44180668889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217638799.

The product of its (nonzero) digits is 21233664, while the sum is 62.

The spelling of 44180668889 in words is "forty-four billion, one hundred eighty million, six hundred sixty-eight thousand, eight hundred eighty-nine".

Divisors: 1 7 29 203 217638763 1523471341 6311524127 44180668889