Base | Representation |
---|---|
bin | 100101101010011011… |
… | …0011001001011000000 |
3 | 21201202200211001121212 |
4 | 1023110312121023000 |
5 | 2311120343040000 |
6 | 101053404305252 |
7 | 5562202253033 |
oct | 1132466311300 |
9 | 251680731555 |
10 | 80880440000 |
11 | 31334999748 |
12 | 13812842228 |
13 | 781c670429 |
14 | 3cb3a8301a |
15 | 2185934c35 |
hex | 12d4d992c0 |
80880440000 has 70 divisors (see below), whose sum is σ = 200557304244. Its totient is φ = 32352160000.
The previous prime is 80880439999. The next prime is 80880440023. The reversal of 80880440000 is 4408808.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 971006 + ... + 1051005.
Almost surely, 280880440000 is an apocalyptic number.
80880440000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
80880440000 is an abundant number, since it is smaller than the sum of its proper divisors (119676864244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80880440000 is an equidigital number, since it uses as much as digits as its factorization.
80880440000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2022043 (or 2022018 counting only the distinct ones).
The product of its (nonzero) digits is 8192, while the sum is 32.
Adding to 80880440000 its reverse (4408808), we get a palindrome (80884848808).
The spelling of 80880440000 in words is "eighty billion, eight hundred eighty million, four hundred forty thousand".
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