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28858885896 = 2331202453579
BaseRepresentation
bin11010111000000111…
…111010011100001000
32202111020002022002210
4122320013322130020
5433100333322041
621131350025120
72041102324401
oct327007723410
982436068083
1028858885896
111126a0a8125
1257149481a0
13294bb4a759
14157aa869a8
15b3d871016
hex6b81fa708

28858885896 has 16 divisors (see below), whose sum is σ = 72147214800. Its totient is φ = 9619628624.

The previous prime is 28858885751. The next prime is 28858885897. The reversal of 28858885896 is 69858885882.

It is not an unprimeable number, because it can be changed into a prime (28858885897) by changing a digit.

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, 601226766 + ... + 601226813.

It is an arithmetic number, because the mean of its divisors is an integer number (4509200925).

Almost surely, 228858885896 is an apocalyptic number.

It is an amenable number.

28858885896 is an abundant number, since it is smaller than the sum of its proper divisors (43288328904).

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

28858885896 is a wasteful number, since it uses less digits than its factorization.

28858885896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202453588 (or 1202453584 counting only the distinct ones).

The product of its digits is 707788800, while the sum is 75.

The spelling of 28858885896 in words is "twenty-eight billion, eight hundred fifty-eight million, eight hundred eighty-five thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 24 1202453579 2404907158 3607360737 4809814316 7214721474 9619628632 14429442948 28858885896