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144404122420443 = 31719149023862147
BaseRepresentation
bin100000110101010110110100…
…011010111100010011011011
3200221021220021120120021020210
4200311112310122330103123
5122411404120314423233
61231042201003022203
742262565525141544
oct4065266432742333
9627256246507223
10144404122420443
1142014498553756
12142425a050a963
136276333c2c6b2
1427932a80cd4cb
1511a6438c48163
hex8355b46bc4db

144404122420443 has 16 divisors (see below), whose sum is σ = 214594361493120. Its totient is φ = 85837744596096.

The previous prime is 144404122420433. The next prime is 144404122420469. The reversal of 144404122420443 is 344024221404441.

It is not a de Polignac number, because 144404122420443 - 26 = 144404122420379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144404122420433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74511930105 + ... + 74511932042.

It is an arithmetic number, because the mean of its divisors is an integer number (13412147593320).

Almost surely, 2144404122420443 is an apocalyptic number.

144404122420443 is a deficient number, since it is larger than the sum of its proper divisors (70190239072677).

144404122420443 is a wasteful number, since it uses less digits than its factorization.

144404122420443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149023862186.

The product of its (nonzero) digits is 393216, while the sum is 39.

Adding to 144404122420443 its reverse (344024221404441), we get a palindrome (488428343824884).

The spelling of 144404122420443 in words is "one hundred forty-four trillion, four hundred four billion, one hundred twenty-two million, four hundred twenty thousand, four hundred forty-three".

Divisors: 1 3 17 19 51 57 323 969 149023862147 447071586441 2533405656499 2831453380793 7600216969497 8494360142379 48134707473481 144404122420443