Base | Representation |
---|---|
bin | 1101000000101… |
… | …10000010111111 |
3 | 21121100222221222 |
4 | 12200112002333 |
5 | 210420022312 |
6 | 14455143555 |
7 | 2463456566 |
oct | 640260277 |
9 | 247328858 |
10 | 109142207 |
11 | 56676179 |
12 | 30674bbb |
13 | 197c4ab5 |
14 | 106d0bdd |
15 | 98ad672 |
hex | 68160bf |
109142207 has 8 divisors (see below), whose sum is σ = 110179440. Its totient is φ = 108110080.
The previous prime is 109142179. The next prime is 109142219. The reversal of 109142207 is 702241901.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 109142207 - 28 = 109141951 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 (109142807) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51407 + ... + 53487.
It is an arithmetic number, because the mean of its divisors is an integer number (13772430).
Almost surely, 2109142207 is an apocalyptic number.
109142207 is a deficient number, since it is larger than the sum of its proper divisors (1037233).
109142207 is a wasteful number, since it uses less digits than its factorization.
109142207 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2553.
The product of its (nonzero) digits is 1008, while the sum is 26.
The square root of 109142207 is about 10447.1147691600. The cubic root of 109142207 is about 477.8932655602.
The spelling of 109142207 in words is "one hundred nine million, one hundred forty-two thousand, two hundred seven".
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