Base | Representation |
---|---|
bin | 1101000000111… |
… | …00101001110111 |
3 | 21121102101002100 |
4 | 12200130221313 |
5 | 210421404041 |
6 | 14455513143 |
7 | 2463631521 |
oct | 640345167 |
9 | 247371070 |
10 | 109169271 |
11 | 56694542 |
12 | 306887b3 |
13 | 19804203 |
14 | 106daa11 |
15 | 98b66b6 |
hex | 681ca77 |
109169271 has 6 divisors (see below), whose sum is σ = 157688960. Its totient is φ = 72779508.
The previous prime is 109169251. The next prime is 109169273. The reversal of 109169271 is 172961901.
It is not a de Polignac number, because 109169271 - 25 = 109169239 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (109169273) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6064951 + ... + 6064968.
Almost surely, 2109169271 is an apocalyptic number.
109169271 is a deficient number, since it is larger than the sum of its proper divisors (48519689).
109169271 is a wasteful number, since it uses less digits than its factorization.
109169271 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12129925 (or 12129922 counting only the distinct ones).
The product of its (nonzero) digits is 6804, while the sum is 36.
The square root of 109169271 is about 10448.4099747282. The cubic root of 109169271 is about 477.9327633701.
The spelling of 109169271 in words is "one hundred nine million, one hundred sixty-nine thousand, two hundred seventy-one".
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