Base | Representation |
---|---|
bin | 100101010010110011… |
… | …1011111100100010000 |
3 | 21122201110201011222222 |
4 | 1022211213133210100 |
5 | 2303010012124010 |
6 | 100443015520212 |
7 | 5533440544412 |
oct | 1124547374420 |
9 | 248643634888 |
10 | 80088004880 |
11 | 30a68655494 |
12 | 13631389068 |
13 | 7724438900 |
14 | 3c3a7269b2 |
15 | 213b0a4355 |
hex | 12a59df910 |
80088004880 has 60 divisors (see below), whose sum is σ = 201629879460. Its totient is φ = 29570950656.
The previous prime is 80088004879. The next prime is 80088004903. The reversal of 80088004880 is 8840088008.
It can be written as a sum of positive squares in 6 ways, for example, as 1248350224 + 78839654656 = 35332^2 + 280784^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2948315 + ... + 2975354.
It is an arithmetic number, because the mean of its divisors is an integer number (3360497991).
Almost surely, 280088004880 is an apocalyptic number.
80088004880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
80088004880 is an abundant number, since it is smaller than the sum of its proper divisors (121541874580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80088004880 is a wasteful number, since it uses less digits than its factorization.
80088004880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5923708 (or 5923689 counting only the distinct ones).
The product of its (nonzero) digits is 131072, while the sum is 44.
The spelling of 80088004880 in words is "eighty billion, eighty-eight million, four thousand, eight hundred eighty".
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