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144444421033 = 1117772430059
BaseRepresentation
bin1000011010000110001…
…1101111001110101001
3111210211120122212020121
42012201203233032221
54331310232433113
6150205025123241
713302316215013
oct2064143571651
9453746585217
10144444421033
1156293123480
1223bb2189521
131080c5a8c23
146dc39cb1b3
153b55ed1e8d
hex21a18ef3a9

144444421033 has 8 divisors (see below), whose sum is σ = 166844892960. Its totient is φ = 123588809280.

The previous prime is 144444421013. The next prime is 144444421039. The reversal of 144444421033 is 330124444441.

144444421033 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144444421033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144444421033.

It is not an unprimeable number, because it can be changed into a prime (144444421039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386214843 + ... + 386215216.

It is an arithmetic number, because the mean of its divisors is an integer number (20855611620).

Almost surely, 2144444421033 is an apocalyptic number.

It is an amenable number.

144444421033 is a deficient number, since it is larger than the sum of its proper divisors (22400471927).

144444421033 is a wasteful number, since it uses less digits than its factorization.

144444421033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772430087.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 144444421033 its reverse (330124444441), we get a palindrome (474568865474).

The spelling of 144444421033 in words is "one hundred forty-four billion, four hundred forty-four million, four hundred twenty-one thousand, thirty-three".

Divisors: 1 11 17 187 772430059 8496730649 13131311003 144444421033