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9438027128 = 233131992
BaseRepresentation
bin10001100101000110…
…01101110101111000
3220100202022110021022
420302203031311320
5123312113332003
64200305402012
7452611623035
oct106243156570
926322273238
109438027128
11400357a522
1219b4939308
13b7544744a
1465767838c
153a38a2738
hex2328cdd78

9438027128 has 48 divisors (see below), whose sum is σ = 18378509760. Its totient is φ = 4543838640.

The previous prime is 9438027107. The next prime is 9438027163. The reversal of 9438027128 is 8217208349.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

9438027128 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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47427173 + ... + 47427371.

It is an arithmetic number, because the mean of its divisors is an integer number (382885620).

Almost surely, 29438027128 is an apocalyptic number.

It is an amenable number.

9438027128 is a deficient number, since it is larger than the sum of its proper divisors (8940482632).

9438027128 is an frugal number, since it uses more digits than its factorization.

9438027128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 9438027128 is about 97149.5091495577. The cubic root of 9438027128 is about 2113.2963702553.

The spelling of 9438027128 in words is "nine billion, four hundred thirty-eight million, twenty-seven thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 31 62 124 199 248 398 796 961 1592 1922 3844 6169 7688 12338 24676 29791 39601 49352 59582 79202 119164 158404 191239 238328 316808 382478 764956 1227631 1529912 2455262 4910524 5928409 9821048 11856818 23713636 38056561 47427272 76113122 152226244 304452488 1179753391 2359506782 4719013564 9438027128