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808080808088 = 23101010101011
BaseRepresentation
bin10111100001001010101…
…11101001100010011000
32212020210112121022202002
423300211113221202120
5101214422141324323
61415121024100132
7112244665352201
oct13604527514230
92766715538662
10808080808088
11291783605494
12110740764648
135b281173918
142b17b6665a8
1516047950828
hexbc255e9898

808080808088 has 8 divisors (see below), whose sum is σ = 1515151515180. Its totient is φ = 404040404040.

The previous prime is 808080808081. The next prime is 808080808091. The reversal of 808080808088 is 880808080808.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808080808081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50505050498 + ... + 50505050513.

Almost surely, 2808080808088 is an apocalyptic number.

It is an amenable number.

808080808088 is a deficient number, since it is larger than the sum of its proper divisors (707070707092).

808080808088 is a wasteful number, since it uses less digits than its factorization.

808080808088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101010101017 (or 101010101013 counting only the distinct ones).

The product of its (nonzero) digits is 2097152, while the sum is 56.

The spelling of 808080808088 in words is "eight hundred eight billion, eighty million, eight hundred eight thousand, eighty-eight".

Divisors: 1 2 4 8 101010101011 202020202022 404040404044 808080808088