Base | Representation |
---|---|
bin | 1100011011001000… |
… | …11011101001111100 |
3 | 122012211222110012210 |
4 | 12031210123221330 |
5 | 102130021331322 |
6 | 3021511300420 |
7 | 324201646611 |
oct | 61544335174 |
9 | 18184873183 |
10 | 6670105212 |
11 | 2913111851 |
12 | 136197a710 |
13 | 823b6c024 |
14 | 473c04508 |
15 | 2908a270c |
hex | 18d91ba7c |
6670105212 has 24 divisors (see below), whose sum is σ = 16100254800. Its totient is φ = 2146700416.
The previous prime is 6670105147. The next prime is 6670105219. The reversal of 6670105212 is 2125010766.
It is a self number, because there is not a number n which added to its sum of digits gives 6670105212.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6670105219) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9583137 + ... + 9583832.
It is an arithmetic number, because the mean of its divisors is an integer number (670843950).
Almost surely, 26670105212 is an apocalyptic number.
It is an amenable number.
6670105212 is an abundant number, since it is smaller than the sum of its proper divisors (9430149588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6670105212 is a wasteful number, since it uses less digits than its factorization.
6670105212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19167005 (or 19167003 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 30.
The square root of 6670105212 is about 81670.7120821167. The cubic root of 6670105212 is about 1882.3955816504.
Adding to 6670105212 its reverse (2125010766), we get a palindrome (8795115978).
The spelling of 6670105212 in words is "six billion, six hundred seventy million, one hundred five thousand, two hundred twelve".
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