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43443213140 = 22516313326139
BaseRepresentation
bin101000011101011010…
…101101001101010100
311011010122001212222002
4220131122231031110
51202432430310030
631542454454432
73065364135035
oct503532551524
9134118055862
1043443213140
111747361a038
128505064418
1341345285a2
1421619c6a8c
1511e3e28245
hexa1d6ad354

43443213140 has 24 divisors (see below), whose sum is σ = 91790452320. Its totient is φ = 17270674848.

The previous prime is 43443213139. The next prime is 43443213221. The reversal of 43443213140 is 4131234434.

It is a happy number.

43443213140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6659810 + ... + 6666329.

It is an arithmetic number, because the mean of its divisors is an integer number (3824602180).

Almost surely, 243443213140 is an apocalyptic number.

It is an amenable number.

43443213140 is an abundant number, since it is smaller than the sum of its proper divisors (48347239180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43443213140 is a wasteful number, since it uses less digits than its factorization.

43443213140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13326311 (or 13326309 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 43443213140 its reverse (4131234434), we get a palindrome (47574447574).

The spelling of 43443213140 in words is "forty-three billion, four hundred forty-three million, two hundred thirteen thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 163 326 652 815 1630 3260 13326139 26652278 53304556 66630695 133261390 266522780 2172160657 4344321314 8688642628 10860803285 21721606570 43443213140