Base | Representation |
---|---|
bin | 1000011001001110101… |
… | …0000100110110001101 |
3 | 111210020022211002002012 |
4 | 2012103222010312031 |
5 | 4330321031421141 |
6 | 150125534311005 |
7 | 13263454662320 |
oct | 2062352046615 |
9 | 453208732065 |
10 | 144211201421 |
11 | 561835110a1 |
12 | 23b48058465 |
13 | 107a3190361 |
14 | 6da0a3c7b7 |
15 | 3b407b4ceb |
hex | 2193a84d8d |
144211201421 has 16 divisors (see below), whose sum is σ = 170611324800. Its totient is φ = 119266475328.
The previous prime is 144211201391. The next prime is 144211201441. The reversal of 144211201421 is 124102112441.
It is not a de Polignac number, because 144211201421 - 214 = 144211185037 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144211201441) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61535 + ... + 540563.
It is an arithmetic number, because the mean of its divisors is an integer number (10663207800).
Almost surely, 2144211201421 is an apocalyptic number.
It is an amenable number.
144211201421 is a deficient number, since it is larger than the sum of its proper divisors (26400123379).
144211201421 is a wasteful number, since it uses less digits than its factorization.
144211201421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 480548.
The product of its (nonzero) digits is 512, while the sum is 23.
Adding to 144211201421 its reverse (124102112441), we get a palindrome (268313313862).
The spelling of 144211201421 in words is "one hundred forty-four billion, two hundred eleven million, two hundred one thousand, four hundred twenty-one".
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