Base | Representation |
---|---|
bin | 1001111100001010… |
… | …1000101010101101 |
3 | 20212221211001212100 |
4 | 2133002220222231 |
5 | 20431034040310 |
6 | 1120434125313 |
7 | 123056622411 |
oct | 23702505255 |
9 | 6787731770 |
10 | 2668268205 |
11 | 114a193439 |
12 | 625720839 |
13 | 336a56435 |
14 | 1b4532d41 |
15 | 1093b7ec0 |
hex | 9f0a8aad |
2668268205 has 12 divisors (see below), whose sum is σ = 4624998300. Its totient is φ = 1423076352.
The previous prime is 2668268179. The next prime is 2668268227. The reversal of 2668268205 is 5028628662.
2668268205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 1485871209 + 1182396996 = 38547^2 + 34386^2 .
It is not a de Polignac number, because 2668268205 - 211 = 2668266157 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 59294849 = 2668268205 / (2 + 6 + 6 + 8 + 2 + 6 + 8 + 2 + 0 + 5).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29647380 + ... + 29647469.
It is an arithmetic number, because the mean of its divisors is an integer number (385416525).
Almost surely, 22668268205 is an apocalyptic number.
It is an amenable number.
2668268205 is a deficient number, since it is larger than the sum of its proper divisors (1956730095).
2668268205 is a wasteful number, since it uses less digits than its factorization.
2668268205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59294860 (or 59294857 counting only the distinct ones).
The product of its (nonzero) digits is 552960, while the sum is 45.
The square root of 2668268205 is about 51655.2824501038. The cubic root of 2668268205 is about 1387.0001043091. Note that the first 3 decimals are identical.
The spelling of 2668268205 in words is "two billion, six hundred sixty-eight million, two hundred sixty-eight thousand, two hundred five".
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