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88801220868 = 22372723994243
BaseRepresentation
bin101001010110011110…
…1110001100100000100
322111012201011102022020
41102230331301210010
52423331103031433
6104443354203140
76262401631443
oct1225475614404
9274181142266
1088801220868
1134729a79638
12152634234b0
1384b2667709
144425a08d5a
15249aed2cb3
hex14acf71904

88801220868 has 48 divisors (see below), whose sum is σ = 207623270400. Its totient is φ = 29540405664.

The previous prime is 88801220839. The next prime is 88801220869. The reversal of 88801220868 is 86802210888.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 88801220868.

It is not an unprimeable number, because it can be changed into a prime (88801220869) 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 15 ways as a sum of consecutive naturals, for example, 20926755 + ... + 20930997.

It is an arithmetic number, because the mean of its divisors is an integer number (4325484800).

Almost surely, 288801220868 is an apocalyptic number.

It is an amenable number.

88801220868 is an abundant number, since it is smaller than the sum of its proper divisors (118822049532).

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

88801220868 is a wasteful number, since it uses less digits than its factorization.

88801220868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7376 (or 7374 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 51.

The spelling of 88801220868 in words is "eighty-eight billion, eight hundred one million, two hundred twenty thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 727 1454 2181 2399 2908 4243 4362 4798 7197 8486 8724 9596 12729 14394 16972 25458 28788 50916 1744073 3084661 3488146 5232219 6169322 6976292 9253983 10178957 10464438 12338644 18507966 20357914 20928876 30536871 37015932 40715828 61073742 122147484 7400101739 14800203478 22200305217 29600406956 44400610434 88801220868