Base | Representation |
---|---|
bin | 1100111101110… |
… | …10110000000101 |
3 | 21120200000000010 |
4 | 12132322300011 |
5 | 210321041021 |
6 | 14443140433 |
7 | 2460341430 |
oct | 636726005 |
9 | 246600003 |
10 | 108768261 |
11 | 56440228 |
12 | 30514719 |
13 | 196c3824 |
14 | 10634817 |
15 | 9837976 |
hex | 67bac05 |
108768261 has 32 divisors (see below), whose sum is σ = 176947200. Its totient is φ = 58012416.
The previous prime is 108768229. The next prime is 108768323. The reversal of 108768261 is 162867801.
It is not a de Polignac number, because 108768261 - 25 = 108768229 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (108767261) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44140 + ... + 46538.
It is an arithmetic number, because the mean of its divisors is an integer number (5529600).
Almost surely, 2108768261 is an apocalyptic number.
It is an amenable number.
108768261 is a deficient number, since it is larger than the sum of its proper divisors (68178939).
108768261 is a wasteful number, since it uses less digits than its factorization.
108768261 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2553.
The product of its (nonzero) digits is 32256, while the sum is 39.
The square root of 108768261 is about 10429.2023184901. The cubic root of 108768261 is about 477.3468507329.
The spelling of 108768261 in words is "one hundred eight million, seven hundred sixty-eight thousand, two hundred sixty-one".
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