Base | Representation |
---|---|
bin | 1000000101000110… |
… | …0100011110010110 |
3 | 12121011002211210200 |
4 | 2001101210132112 |
5 | 13420212213320 |
6 | 555114201330 |
7 | 104514030363 |
oct | 20121443626 |
9 | 5534084720 |
10 | 2168866710 |
11 | a132a572a |
12 | 506423246 |
13 | 2874508aa |
14 | 16809546a |
15 | ca61c290 |
hex | 81464796 |
2168866710 has 48 divisors (see below), whose sum is σ = 5643827280. Its totient is φ = 577874880.
The previous prime is 2168866699. The next prime is 2168866729. The reversal of 2168866710 is 176688612.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103740 + ... + 122880.
It is an arithmetic number, because the mean of its divisors is an integer number (117579735).
Almost surely, 22168866710 is an apocalyptic number.
2168866710 is an abundant number, since it is smaller than the sum of its proper divisors (3474960570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2168866710 is a wasteful number, since it uses less digits than its factorization.
2168866710 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20413 (or 20410 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 45.
The square root of 2168866710 is about 46571.0930728494. The cubic root of 2168866710 is about 1294.4271722040.
The spelling of 2168866710 in words is "two billion, one hundred sixty-eight million, eight hundred sixty-six thousand, seven hundred ten".
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