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143440444422 = 2321110365310771
BaseRepresentation
bin1000010110010110110…
…1110111110000000110
3111201020121111120020200
42011211231313300012
54322231223210142
6145521242311330
713235405442342
oct2054555676006
9451217446220
10143440444422
1155918433a40
1223971ab8546
13106ac5a8a22
146d2a526622
153ae7cb764c
hex2165b77c06

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".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 103 198 206 309 618 653 927 1133 1306 1854 1959 2266 3399 3918 5877 6798 7183 10197 10771 11754 14366 20394 21542 21549 32313 43098 64626 64647 67259 96939 118481 129294 134518 193878 201777 236962 355443 403554 605331 710886 739849 1066329 1109413 1210662 1479698 2132658 2218826 2219547 3328239 4439094 6656478 6658641 7033463 9984717 12203543 13317282 14066926 19969434 21100389 24407086 36610629 42200778 63301167 73221258 77368093 109831887 126602334 154736186 219663774 232104279 464208558 696312837 724446689 1392625674 1448893378 2173340067 4346680134 6520020201 7968913579 13040040402 15937827158 23906740737 47813481474 71720222211 143440444422