Base | Representation |
---|---|
bin | 10110100011011000… |
… | …10100110010010001 |
3 | 1011020211022201210220 |
4 | 23101230110302101 |
5 | 144244121222314 |
6 | 5321244143253 |
7 | 606022143555 |
oct | 132154246221 |
9 | 34224281726 |
10 | 12107992209 |
11 | 5153711835 |
12 | 241ab37b29 |
13 | 11ac646041 |
14 | 82c0cd865 |
15 | 4acea33a9 |
hex | 2d1b14c91 |
12107992209 has 8 divisors (see below), whose sum is σ = 16177141440. Its totient is φ = 8055418896.
The previous prime is 12107992207. The next prime is 12107992241. The reversal of 12107992209 is 90229970121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12107992209 - 21 = 12107992207 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12107992207) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4142274 + ... + 4145195.
It is an arithmetic number, because the mean of its divisors is an integer number (2022142680).
Almost surely, 212107992209 is an apocalyptic number.
It is an amenable number.
12107992209 is a deficient number, since it is larger than the sum of its proper divisors (4069149231).
12107992209 is an equidigital number, since it uses as much as digits as its factorization.
12107992209 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8287959.
The product of its (nonzero) digits is 40824, while the sum is 42.
The spelling of 12107992209 in words is "twelve billion, one hundred seven million, nine hundred ninety-two thousand, two hundred nine".
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