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80884484488 = 2310110560561
BaseRepresentation
bin100101101010100010…
…1110100100110001000
321201202222102112121201
41023111011310212020
52311122412000423
6101054031113544
75562251526403
oct1132505644610
9251688375551
1080884484488
11313372013a5
12138140728b4
137820458312
143cb4416d3a
152185e832ad
hex12d5174988

80884484488 has 8 divisors (see below), whose sum is σ = 151658408430. Its totient is φ = 40442242240.

The previous prime is 80884484477. The next prime is 80884484521. The reversal of 80884484488 is 88448448808.

It can be written as a sum of positive squares in only one way, i.e., 46741575204 + 34142909284 = 216198^2 + 184778^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055280273 + ... + 5055280288.

Almost surely, 280884484488 is an apocalyptic number.

It is an amenable number.

80884484488 is a deficient number, since it is larger than the sum of its proper divisors (70773923942).

80884484488 is a wasteful number, since it uses less digits than its factorization.

80884484488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10110560567 (or 10110560563 counting only the distinct ones).

The product of its (nonzero) digits is 67108864, while the sum is 64.

The spelling of 80884484488 in words is "eighty billion, eight hundred eighty-four million, four hundred eighty-four thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 10110560561 20221121122 40442242244 80884484488