Base | Representation |
---|---|
bin | 1000010110010110110… |
… | …1110111110000000110 |
3 | 111201020121111120020200 |
4 | 2011211231313300012 |
5 | 4322231223210142 |
6 | 145521242311330 |
7 | 13235405442342 |
oct | 2054555676006 |
9 | 451217446220 |
10 | 143440444422 |
11 | 55918433a40 |
12 | 23971ab8546 |
13 | 106ac5a8a22 |
14 | 6d2a526622 |
15 | 3ae7cb764c |
hex | 2165b77c06 |
143440444422 has 96 divisors (see below), whose sum is σ = 342888788736. Its totient is φ = 42974884800.
The previous prime is 143440444421. The next prime is 143440444423. The reversal of 143440444422 is 224444044341.
It is a happy number.
143440444422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (143440444421) and next prime (143440444423).
It is a super-2 number, since 2×1434404444222 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143440444421) 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 47 ways as a sum of consecutive naturals, for example, 13311897 + ... + 13322667.
It is an arithmetic number, because the mean of its divisors is an integer number (3571758216).
Almost surely, 2143440444422 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 143440444422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171444394368).
143440444422 is an abundant number, since it is smaller than the sum of its proper divisors (199448344314).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143440444422 is a wasteful number, since it uses less digits than its factorization.
143440444422 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11546 (or 11543 counting only the distinct ones).
The product of its (nonzero) digits is 196608, while the sum is 36.
Adding to 143440444422 its reverse (224444044341), we get a palindrome (367884488763).
The spelling of 143440444422 in words is "one hundred forty-three billion, four hundred forty million, four hundred forty-four thousand, four hundred twenty-two".
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