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144444023312321 = 1644771437122939
BaseRepresentation
bin100000110101111011111110…
…101100110000111111000001
3200221102201021100010120222002
4200311323332230300333001
5122413032324431443241
61231112400201353345
742265510360133435
oct4065737654607701
9627381240116862
10144444023312321
114202a40356a357
121424a277198855
13627a0225c13a5
1427951b145c9c5
1511a74c1ba489b
hex835efeb30fc1

144444023312321 has 8 divisors (see below), whose sum is σ = 144456002818560. Its totient is φ = 144432044227728.

The previous prime is 144444023312243. The next prime is 144444023312357. The reversal of 144444023312321 is 123213320444441.

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

It is a cyclic number.

It is not a de Polignac number, because 144444023312321 - 214 = 144444023295937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144444023312371) 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, 1174862870 + ... + 1174985808.

It is an arithmetic number, because the mean of its divisors is an integer number (18057000352320).

Almost surely, 2144444023312321 is an apocalyptic number.

It is an amenable number.

144444023312321 is a deficient number, since it is larger than the sum of its proper divisors (11979506239).

144444023312321 is a wasteful number, since it uses less digits than its factorization.

144444023312321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210823.

The product of its (nonzero) digits is 221184, while the sum is 38.

Adding to 144444023312321 its reverse (123213320444441), we get a palindrome (267657343756762).

The spelling of 144444023312321 in words is "one hundred forty-four trillion, four hundred forty-four billion, twenty-three million, three hundred twelve thousand, three hundred twenty-one".

Divisors: 1 16447 71437 122939 1174924339 2021977733 8782393343 144444023312321