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808004808880 = 24517689986117
BaseRepresentation
bin10111100001000001101…
…01101111000010110000
32212020121020121011102121
423300200311233002300
5101214243212341010
61415105311124024
7112243053361153
oct13604065570260
92766536534377
10808004808880
11291744717125
1211071b213614
135b26b4b4589
142b171521c9a
1516040e3c3da
hexbc20d6f0b0

808004808880 has 80 divisors (see below), whose sum is σ = 1989429141600. Its totient is φ = 304142422016.

The previous prime is 808004808833. The next prime is 808004808893. The reversal of 808004808880 is 88808400808.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9339582 + ... + 9425698.

It is an arithmetic number, because the mean of its divisors is an integer number (24867864270).

Almost surely, 2808004808880 is an apocalyptic number.

808004808880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

808004808880 is an abundant number, since it is smaller than the sum of its proper divisors (1181424332720).

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

808004808880 is a wasteful number, since it uses less digits than its factorization.

808004808880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93046 (or 93040 counting only the distinct ones).

The product of its (nonzero) digits is 1048576, while the sum is 52.

The spelling of 808004808880 in words is "eight hundred eight billion, four million, eight hundred eight thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 272 340 680 1360 6899 13798 27596 34495 55192 68990 86117 110384 117283 137980 172234 234566 275960 344468 430585 469132 551920 586415 688936 861170 938264 1172830 1377872 1463989 1722340 1876528 2345660 2927978 3444680 4691320 5855956 6889360 7319945 9382640 11711912 14639890 23423824 29279780 58559560 117119120 594121183 1188242366 2376484732 2970605915 4752969464 5941211830 9505938928 10100060111 11882423660 20200120222 23764847320 40400240444 47529694640 50500300555 80800480888 101000601110 161600961776 202001202220 404002404440 808004808880