Base | Representation |
---|---|
bin | 1001111100010001… |
… | …1100111100100101 |
3 | 20212222201021012100 |
4 | 2133010130330211 |
5 | 20431144310420 |
6 | 1120452242313 |
7 | 123063645111 |
oct | 23704347445 |
9 | 6788637170 |
10 | 2668744485 |
11 | 114a489260 |
12 | 625910399 |
13 | 336b92164 |
14 | 1b4618741 |
15 | 10945e190 |
hex | 9f11cf25 |
2668744485 has 48 divisors (see below), whose sum is σ = 5054482368. Its totient is φ = 1291852800.
The previous prime is 2668744483. The next prime is 2668744511. The reversal of 2668744485 is 5844478662.
It is a happy number.
It is not a de Polignac number, because 2668744485 - 21 = 2668744483 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2668744483) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 329130 + ... + 337140.
It is an arithmetic number, because the mean of its divisors is an integer number (105301716).
Almost surely, 22668744485 is an apocalyptic number.
It is an amenable number.
2668744485 is a deficient number, since it is larger than the sum of its proper divisors (2385737883).
2668744485 is a wasteful number, since it uses less digits than its factorization.
2668744485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8706 (or 8703 counting only the distinct ones).
The product of its digits is 10321920, while the sum is 54.
The square root of 2668744485 is about 51659.8924214908. The cubic root of 2668744485 is about 1387.0826248877.
The spelling of 2668744485 in words is "two billion, six hundred sixty-eight million, seven hundred forty-four thousand, four hundred eighty-five".
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