Base | Representation |
---|---|
bin | 101011110100011101… |
… | …1000011111011010001 |
3 | 22222220010201111000211 |
4 | 1113220323003323101 |
5 | 3020210120004110 |
6 | 111121354444121 |
7 | 6540636510436 |
oct | 1275073037321 |
9 | 288803644024 |
10 | 94102109905 |
11 | 369aa207a71 |
12 | 162a2733641 |
13 | 8b4894594b |
14 | 47a9a31b8d |
15 | 26ab57198a |
hex | 15e8ec3ed1 |
94102109905 has 4 divisors (see below), whose sum is σ = 112922531892. Its totient is φ = 75281687920.
The previous prime is 94102109903. The next prime is 94102109911. The reversal of 94102109905 is 50990120149.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 32584221121 + 61517888784 = 180511^2 + 248028^2 .
It is not a de Polignac number, because 94102109905 - 21 = 94102109903 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (94102109903) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9410210986 + ... + 9410210995.
It is an arithmetic number, because the mean of its divisors is an integer number (28230632973).
Almost surely, 294102109905 is an apocalyptic number.
It is an amenable number.
94102109905 is a deficient number, since it is larger than the sum of its proper divisors (18820421987).
94102109905 is a wasteful number, since it uses less digits than its factorization.
94102109905 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18820421986.
The product of its (nonzero) digits is 29160, while the sum is 40.
The spelling of 94102109905 in words is "ninety-four billion, one hundred two million, one hundred nine thousand, nine hundred five".
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