Base | Representation |
---|---|
bin | 10010110101110001… |
… | …111011011110110010 |
3 | 1221012211121212211121 |
4 | 102311301323132302 |
5 | 312412241241340 |
6 | 13143211132454 |
7 | 1314211023460 |
oct | 226561733662 |
9 | 57184555747 |
10 | 20229633970 |
11 | 8641112467 |
12 | 3b06a4412a |
13 | 1ba5139420 |
14 | d9c9bd830 |
15 | 7d5eca94a |
hex | 4b5c7b7b2 |
20229633970 has 32 divisors (see below), whose sum is σ = 44816421888. Its totient is φ = 6402345408.
The previous prime is 20229633967. The next prime is 20229634021. The reversal of 20229633970 is 7933692202.
It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11114274 + ... + 11116093.
It is an arithmetic number, because the mean of its divisors is an integer number (1400513184).
Almost surely, 220229633970 is an apocalyptic number.
20229633970 is an abundant number, since it is smaller than the sum of its proper divisors (24586787918).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20229633970 is a wasteful number, since it uses less digits than its factorization.
20229633970 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22230394.
The product of its (nonzero) digits is 244944, while the sum is 43.
The spelling of 20229633970 in words is "twenty billion, two hundred twenty-nine million, six hundred thirty-three thousand, nine hundred seventy".
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