Base | Representation |
---|---|
bin | 1000000100111100… |
… | …0010010101110101 |
3 | 12121002212002211111 |
4 | 2001033002111311 |
5 | 13420024440423 |
6 | 555052035021 |
7 | 104505263263 |
oct | 20117022565 |
9 | 5532762744 |
10 | 2168202613 |
11 | a12991795 |
12 | 506162a71 |
13 | 28727a535 |
14 | 167d61433 |
15 | ca53a60d |
hex | 813c2575 |
2168202613 has 8 divisors (see below), whose sum is σ = 2283417920. Its totient is φ = 2053097280.
The previous prime is 2168202607. The next prime is 2168202629. The reversal of 2168202613 is 3162028612.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2168202613 - 25 = 2168202581 is a prime.
It is a super-2 number, since 2×21682026132 = 9402205142040055538, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2168202683) 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, 14656 + ... + 67462.
It is an arithmetic number, because the mean of its divisors is an integer number (285427240).
Almost surely, 22168202613 is an apocalyptic number.
It is an amenable number.
2168202613 is a deficient number, since it is larger than the sum of its proper divisors (115215307).
2168202613 is a wasteful number, since it uses less digits than its factorization.
2168202613 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54987.
The product of its (nonzero) digits is 6912, while the sum is 31.
The square root of 2168202613 is about 46563.9625998475. The cubic root of 2168202613 is about 1294.2950428373.
The spelling of 2168202613 in words is "two billion, one hundred sixty-eight million, two hundred two thousand, six hundred thirteen".
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