Base | Representation |
---|---|
bin | 1100100101010000100… |
… | …0111110101111110001 |
3 | 202122221120012000001000 |
4 | 3021110020332233301 |
5 | 12020143430130410 |
6 | 243145203032213 |
7 | 21421434504342 |
oct | 3112410765761 |
9 | 678846160030 |
10 | 216160005105 |
11 | 83744762220 |
12 | 35a8766b669 |
13 | 174cb298285 |
14 | a6683c40c9 |
15 | 5952023dc0 |
hex | 325423ebf1 |
216160005105 has 64 divisors (see below), whose sum is σ = 420044486400. Its totient is φ = 104598581760.
The previous prime is 216160005097. The next prime is 216160005119. The reversal of 216160005105 is 501500061612.
It is a happy number.
216160005105 is a `hidden beast` number, since 2 + 1 + 6 + 1 + 600 + 0 + 51 + 0 + 5 = 666.
It is not a de Polignac number, because 216160005105 - 23 = 216160005097 is a prime.
It is a super-2 number, since 2×2161600051052 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 612877 + ... + 898853.
It is an arithmetic number, because the mean of its divisors is an integer number (6563195100).
Almost surely, 2216160005105 is an apocalyptic number.
It is an amenable number.
216160005105 is a deficient number, since it is larger than the sum of its proper divisors (203884481295).
216160005105 is a wasteful number, since it uses less digits than its factorization.
216160005105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 286511 (or 286505 counting only the distinct ones).
The product of its (nonzero) digits is 1800, while the sum is 27.
Adding to 216160005105 its reverse (501500061612), we get a palindrome (717660066717).
The spelling of 216160005105 in words is "two hundred sixteen billion, one hundred sixty million, five thousand, one hundred five".
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