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43142255020 = 2252157112751
BaseRepresentation
bin101000001011011110…
…101001000110101100
311010100122202122001001
4220023132221012230
51201323404130040
631452544130044
73055051055104
oct501336510654
9133318678031
1043142255020
1117329750817
128440306924
1340b7083667
142133a44204
1511c77ca59a
hexa0b7a91ac

43142255020 has 12 divisors (see below), whose sum is σ = 90598735584. Its totient is φ = 17256902000.

The previous prime is 43142255017. The next prime is 43142255099. The reversal of 43142255020 is 2055224134.

It is a super-2 number, since 2×431422550202 (a number of 22 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 43142255020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1078556356 + ... + 1078556395.

It is an arithmetic number, because the mean of its divisors is an integer number (7549894632).

Almost surely, 243142255020 is an apocalyptic number.

It is an amenable number.

43142255020 is an abundant number, since it is smaller than the sum of its proper divisors (47456480564).

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

43142255020 is a wasteful number, since it uses less digits than its factorization.

43142255020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157112760 (or 2157112758 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 43142255020 its reverse (2055224134), we get a palindrome (45197479154).

The spelling of 43142255020 in words is "forty-three billion, one hundred forty-two million, two hundred fifty-five thousand, twenty".

Divisors: 1 2 4 5 10 20 2157112751 4314225502 8628451004 10785563755 21571127510 43142255020