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808088888000 = 2653631160081
BaseRepresentation
bin10111100001001011101…
…10011110001011000000
32212020211002210211022002
423300211312132023000
5101214431223404000
61415121513203132
7112245124133612
oct13604566361300
92766732724262
10808088888000
11291788123aa9
121107434004a8
135b282a42534
142b17c76adb2
15160484e98d5
hexbc25d9e2c0

808088888000 has 112 divisors (see below), whose sum is σ = 2004416177088. Its totient is φ = 322721280000.

The previous prime is 808088887999. The next prime is 808088888011. The reversal of 808088888000 is 888880808.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 4967960 + ... + 5128040.

Almost surely, 2808088888000 is an apocalyptic number.

808088888000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 808088888000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1002208088544).

808088888000 is an abundant number, since it is smaller than the sum of its proper divisors (1196327289088).

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

808088888000 is a wasteful number, since it uses less digits than its factorization.

808088888000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160739 (or 160719 counting only the distinct ones).

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

The spelling of 808088888000 in words is "eight hundred eight billion, eighty-eight million, eight hundred eighty-eight thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 320 400 500 631 800 1000 1262 1600 2000 2524 3155 4000 5048 6310 8000 10096 12620 15775 20192 25240 31550 40384 50480 63100 78875 100960 126200 157750 160081 201920 252400 315500 320162 504800 631000 640324 800405 1009600 1262000 1280648 1600810 2524000 2561296 3201620 4002025 5048000 5122592 6403240 8004050 10245184 12806480 16008100 20010125 25612960 32016200 40020250 51225920 64032400 80040500 101011111 128064800 160081000 202022222 256129600 320162000 404044444 505055555 640324000 808088888 1010111110 1280648000 1616177776 2020222220 2525277775 3232355552 4040444440 5050555550 6464711104 8080888880 10101111100 12626388875 16161777760 20202222200 25252777750 32323555520 40404444400 50505555500 80808888800 101011111000 161617777600 202022222000 404044444000 808088888000