Base | Representation |
---|---|
bin | 1100110101001110… |
… | …00100010110001100 |
3 | 122210002200101012201 |
4 | 12122213010112030 |
5 | 103102024244410 |
6 | 3055325011244 |
7 | 332466453334 |
oct | 63247042614 |
9 | 18702611181 |
10 | 6888899980 |
11 | 2a15671576 |
12 | 14030b3b24 |
13 | 85a2a6ca1 |
14 | 494cba0c4 |
15 | 2a4bc083a |
hex | 19a9c458c |
6888899980 has 48 divisors (see below), whose sum is σ = 15251152896. Its totient is φ = 2609922240.
The previous prime is 6888899971. The next prime is 6888899981. The reversal of 6888899980 is 899988886.
It is not an unprimeable number, because it can be changed into a prime (6888899981) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89064 + ... + 147343.
It is an arithmetic number, because the mean of its divisors is an integer number (317732352).
Almost surely, 26888899980 is an apocalyptic number.
It is an amenable number.
6888899980 is an abundant number, since it is smaller than the sum of its proper divisors (8362252916).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6888899980 is a wasteful number, since it uses less digits than its factorization.
6888899980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 236494 (or 236492 counting only the distinct ones).
The product of its (nonzero) digits is 143327232, while the sum is 73.
The square root of 6888899980 is about 82999.3974676925. The cubic root of 6888899980 is about 1902.7568456067.
The spelling of 6888899980 in words is "six billion, eight hundred eighty-eight million, eight hundred ninety-nine thousand, nine hundred eighty".
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