Base | Representation |
---|---|
bin | 1101000000000… |
… | …00110000011101 |
3 | 21121012120100021 |
4 | 12200000300131 |
5 | 210404230010 |
6 | 14453232141 |
7 | 2462644423 |
oct | 640006035 |
9 | 247176307 |
10 | 109055005 |
11 | 56616704 |
12 | 30632651 |
13 | 197941b7 |
14 | 106ab113 |
15 | 98928da |
hex | 6800c1d |
109055005 has 4 divisors (see below), whose sum is σ = 130866012. Its totient is φ = 87244000.
The previous prime is 109054991. The next prime is 109055033. The reversal of 109055005 is 500550901.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500550901 = 431 ⋅1161371.
It can be written as a sum of positive squares in 2 ways, for example, as 45995524 + 63059481 = 6782^2 + 7941^2 .
It is not a de Polignac number, because 109055005 - 217 = 108923933 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10905496 + ... + 10905505.
It is an arithmetic number, because the mean of its divisors is an integer number (32716503).
Almost surely, 2109055005 is an apocalyptic number.
It is an amenable number.
109055005 is a deficient number, since it is larger than the sum of its proper divisors (21811007).
109055005 is an equidigital number, since it uses as much as digits as its factorization.
109055005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21811006.
The product of its (nonzero) digits is 1125, while the sum is 25.
The square root of 109055005 is about 10442.9404384014. The cubic root of 109055005 is about 477.7659565711.
The spelling of 109055005 in words is "one hundred nine million, fifty-five thousand, five".
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