Base | Representation |
---|---|
bin | 10010101110100110… |
… | …110101000110010010 |
3 | 1220220110011110100022 |
4 | 102232212311012102 |
5 | 312140434034410 |
6 | 13123231423442 |
7 | 1311220043234 |
oct | 225646650622 |
9 | 56813143308 |
10 | 20109283730 |
11 | 858a191558 |
12 | 3a92684b82 |
13 | 1b8621bc73 |
14 | d8aa12254 |
15 | 7ca656455 |
hex | 4ae9b5192 |
20109283730 has 16 divisors (see below), whose sum is σ = 36203073984. Its totient is φ = 8042299440.
The previous prime is 20109283681. The next prime is 20109283751. The reversal of 20109283730 is 3738290102.
It is an unprimeable number.
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, 116036 + ... + 231695.
It is an arithmetic number, because the mean of its divisors is an integer number (2262692124).
Almost surely, 220109283730 is an apocalyptic number.
20109283730 is a deficient number, since it is larger than the sum of its proper divisors (16093790254).
20109283730 is a wasteful number, since it uses less digits than its factorization.
20109283730 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 353521.
The product of its (nonzero) digits is 18144, while the sum is 35.
The spelling of 20109283730 in words is "twenty billion, one hundred nine million, two hundred eighty-three thousand, seven hundred thirty".
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