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808840080080 = 24517594735353
BaseRepresentation
bin10111100010100101010…
…00000010101011010000
32212022202110022100002222
423301102220002223100
5101223001030030310
61415324230000212
7112302545146154
oct13612250025320
92768673270088
10808840080080
112920331587aa
12110912aa6068
135b3725667a6
142b21042d064
151608e430055
hexbc52a02ad0

808840080080 has 40 divisors (see below), whose sum is σ = 1991173965192. Its totient is φ = 304504500224.

The previous prime is 808840080079. The next prime is 808840080101. The reversal of 808840080080 is 80080048808.

It can be written as a sum of positive squares in 4 ways, for example, as 438874450576 + 369965629504 = 662476^2 + 608248^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297366317 + ... + 297369036.

Almost surely, 2808840080080 is an apocalyptic number.

808840080080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

808840080080 is an abundant number, since it is smaller than the sum of its proper divisors (1182333885112).

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

808840080080 is a wasteful number, since it uses less digits than its factorization.

808840080080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594735383 (or 594735377 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 44.

The spelling of 808840080080 in words is "eight hundred eight billion, eight hundred forty million, eighty thousand, eighty".

Divisors: 1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 272 340 680 1360 594735353 1189470706 2378941412 2973676765 4757882824 5947353530 9515765648 10110501001 11894707060 20221002002 23789414120 40442004004 47578828240 50552505005 80884008008 101105010010 161768016016 202210020020 404420040040 808840080080