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80880088880 = 2459829102859
BaseRepresentation
bin100101101010011010…
…1000011011100110000
321201202200011012222102
41023110311003130300
52311120300321010
6101053352555532
75562166261253
oct1132465033460
9251680135872
1080880088880
1131334779968
12138126b2ba8
13781c579676
143cb39d109a
1521858b5ba5
hex12d4d43730

80880088880 has 40 divisors (see below), whose sum is σ = 188067166800. Its totient is φ = 32348429568.

The previous prime is 80880088829. The next prime is 80880088897. The reversal of 80880088880 is 8888008808.

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

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 734891 + ... + 837749.

It is an arithmetic number, because the mean of its divisors is an integer number (4701679170).

Almost surely, 280880088880 is an apocalyptic number.

80880088880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80880088880 is an abundant number, since it is smaller than the sum of its proper divisors (107187077920).

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

80880088880 is a wasteful number, since it uses less digits than its factorization.

80880088880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112701 (or 112695 counting only the distinct ones).

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

The spelling of 80880088880 in words is "eighty billion, eight hundred eighty million, eighty-eight thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 9829 19658 39316 49145 78632 98290 102859 157264 196580 205718 393160 411436 514295 786320 822872 1028590 1645744 2057180 4114360 8228720 1011001111 2022002222 4044004444 5055005555 8088008888 10110011110 16176017776 20220022220 40440044440 80880088880