Base | Representation |
---|---|
bin | 10010101110000011… |
… | …011101010001100101 |
3 | 1220212210201100200220 |
4 | 102232003131101211 |
5 | 312131100323414 |
6 | 13122300554553 |
7 | 1311045163323 |
oct | 225603352145 |
9 | 56783640626 |
10 | 20100011109 |
11 | 8584a28932 |
12 | 3a8b552a59 |
13 | 1b843234c9 |
14 | d896bad13 |
15 | 7c9923ca9 |
hex | 4ae0dd465 |
20100011109 has 8 divisors (see below), whose sum is σ = 26896766880. Its totient is φ = 13351631376.
The previous prime is 20100011089. The next prime is 20100011131. The reversal of 20100011109 is 90111000102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20100011109 - 29 = 20100010597 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20100018109) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12093039 + ... + 12094700.
It is an arithmetic number, because the mean of its divisors is an integer number (3362095860).
Almost surely, 220100011109 is an apocalyptic number.
It is an amenable number.
20100011109 is a deficient number, since it is larger than the sum of its proper divisors (6796755771).
20100011109 is a wasteful number, since it uses less digits than its factorization.
20100011109 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24188019.
The product of its (nonzero) digits is 18, while the sum is 15.
The spelling of 20100011109 in words is "twenty billion, one hundred million, eleven thousand, one hundred nine".
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