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89983027828 = 22171323279821
BaseRepresentation
bin101001111001101101…
…0000000101001110100
322121021001221102200101
41103303122000221310
52433241123342303
6105200532323444
76333602055001
oct1236332005164
9277231842611
1089983027828
1135186089701
1215533173584
13864045c085
1444d89608a8
152519b27d1d
hex14f3680a74

89983027828 has 12 divisors (see below), whose sum is σ = 166733257572. Its totient is φ = 42344954240.

The previous prime is 89983027769. The next prime is 89983027831. The reversal of 89983027828 is 82872038998.

It can be written as a sum of positive squares in 2 ways, for example, as 24780426724 + 65202601104 = 157418^2 + 255348^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 89983027828.

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 3 ways as a sum of consecutive naturals, for example, 661639843 + ... + 661639978.

It is an arithmetic number, because the mean of its divisors is an integer number (13894438131).

Almost surely, 289983027828 is an apocalyptic number.

It is an amenable number.

89983027828 is a deficient number, since it is larger than the sum of its proper divisors (76750229744).

89983027828 is a wasteful number, since it uses less digits than its factorization.

89983027828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323279842 (or 1323279840 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 64.

The spelling of 89983027828 in words is "eighty-nine billion, nine hundred eighty-three million, twenty-seven thousand, eight hundred twenty-eight".

Divisors: 1 2 4 17 34 68 1323279821 2646559642 5293119284 22495756957 44991513914 89983027828