Base | Representation |
---|---|
bin | 1101000000110… |
… | …01011110101111 |
3 | 21121101201020212 |
4 | 12200121132233 |
5 | 210421000041 |
6 | 14455333035 |
7 | 2463545600 |
oct | 640313657 |
9 | 247351225 |
10 | 109156271 |
11 | 566857a4 |
12 | 3068117b |
13 | 197cb313 |
14 | 106d5da7 |
15 | 98b28eb |
hex | 68197af |
109156271 has 12 divisors (see below), whose sum is σ = 127427832. Its totient is φ = 93230928.
The previous prime is 109156259. The next prime is 109156277. The reversal of 109156271 is 172651901.
It is not a de Polignac number, because 109156271 - 214 = 109139887 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (109156277) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10556 + ... + 18158.
It is an arithmetic number, because the mean of its divisors is an integer number (10618986).
Almost surely, 2109156271 is an apocalyptic number.
109156271 is a deficient number, since it is larger than the sum of its proper divisors (18271561).
109156271 is an equidigital number, since it uses as much as digits as its factorization.
109156271 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7910 (or 7903 counting only the distinct ones).
The product of its (nonzero) digits is 3780, while the sum is 32.
The square root of 109156271 is about 10447.7878519809. The cubic root of 109156271 is about 477.9137916927.
The spelling of 109156271 in words is "one hundred nine million, one hundred fifty-six thousand, two hundred seventy-one".
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