Base | Representation |
---|---|
bin | 1000011001010001001… |
… | …1010110011100110111 |
3 | 111210021002011210100022 |
4 | 2012110103112130313 |
5 | 4330331314141211 |
6 | 150131002235355 |
7 | 13263645645455 |
oct | 2062423263467 |
9 | 453232153308 |
10 | 144222021431 |
11 | 56189631354 |
12 | 23b4b7b5b5b |
13 | 107a54ab227 |
14 | 6da22579d5 |
15 | 3b41700bdb |
hex | 21944d6737 |
144222021431 has 2 divisors, whose sum is σ = 144222021432. Its totient is φ = 144222021430.
The previous prime is 144222021373. The next prime is 144222021497. The reversal of 144222021431 is 134120222441.
144222021431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 144222021431 - 214 = 144222005047 is a prime.
It is a super-2 number, since 2×1442220214312 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 144222021431.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (144222021731) 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 as a sum of consecutive naturals, namely, 72111010715 + 72111010716.
It is an arithmetic number, because the mean of its divisors is an integer number (72111010716).
Almost surely, 2144222021431 is an apocalyptic number.
144222021431 is a deficient number, since it is larger than the sum of its proper divisors (1).
144222021431 is an equidigital number, since it uses as much as digits as its factorization.
144222021431 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3072, while the sum is 26.
Adding to 144222021431 its reverse (134120222441), we get a palindrome (278342243872).
The spelling of 144222021431 in words is "one hundred forty-four billion, two hundred twenty-two million, twenty-one thousand, four hundred thirty-one".
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