Base | Representation |
---|---|
bin | 1000011001010000111… |
… | …0001010000100110111 |
3 | 111210020222121121211210 |
4 | 2012110032022010313 |
5 | 4330330442110043 |
6 | 150130513132503 |
7 | 13263631245366 |
oct | 2062416120467 |
9 | 453228547753 |
10 | 144220660023 |
11 | 56188891520 |
12 | 23b4b25a133 |
13 | 107a512266b |
14 | 6da1dc17dd |
15 | 3b41532633 |
hex | 219438a137 |
144220660023 has 16 divisors (see below), whose sum is σ = 210522051072. Its totient is φ = 87095400000.
The previous prime is 144220659983. The next prime is 144220660033. The reversal of 144220660023 is 320066022441.
It is not a de Polignac number, because 144220660023 - 26 = 144220659959 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144220660033) 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, 7767103 + ... + 7785648.
It is an arithmetic number, because the mean of its divisors is an integer number (13157628192).
Almost surely, 2144220660023 is an apocalyptic number.
144220660023 is a deficient number, since it is larger than the sum of its proper divisors (66301391049).
144220660023 is a wasteful number, since it uses less digits than its factorization.
144220660023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15553046.
The product of its (nonzero) digits is 13824, while the sum is 30.
Adding to 144220660023 its reverse (320066022441), we get a palindrome (464286682464).
The spelling of 144220660023 in words is "one hundred forty-four billion, two hundred twenty million, six hundred sixty thousand, twenty-three".
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