Base | Representation |
---|---|
bin | 1100011100011110… |
… | …01001011110010000 |
3 | 122020122001100121000 |
4 | 12032033021132100 |
5 | 102140403143203 |
6 | 3022551302000 |
7 | 324366065166 |
oct | 61617113620 |
9 | 18218040530 |
10 | 6681302928 |
11 | 291946a863 |
12 | 136567a900 |
13 | 82628cab1 |
14 | 4754bb236 |
15 | 2918654a3 |
hex | 18e3c9790 |
6681302928 has 80 divisors (see below), whose sum is σ = 19645617600. Its totient is φ = 2172775680.
The previous prime is 6681302921. The next prime is 6681302941. The reversal of 6681302928 is 8292031866.
It is not an unprimeable number, because it can be changed into a prime (6681302921) 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, 170898 + ... + 206321.
It is an arithmetic number, because the mean of its divisors is an integer number (245570220).
Almost surely, 26681302928 is an apocalyptic number.
It is an amenable number.
6681302928 is an abundant number, since it is smaller than the sum of its proper divisors (12964314672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6681302928 is a wasteful number, since it uses less digits than its factorization.
6681302928 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 377277 (or 377265 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 45.
The square root of 6681302928 is about 81739.2373832788. The cubic root of 6681302928 is about 1883.4483759695.
The spelling of 6681302928 in words is "six billion, six hundred eighty-one million, three hundred two thousand, nine hundred twenty-eight".
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