Base | Representation |
---|---|
bin | 1001001001000011010001… |
… | …01011001101100000000000 |
3 | 2122011202022002122002101110 |
4 | 10210201220223031200000 |
5 | 10113323302443300412 |
6 | 110430454041203320 |
7 | 4143223222042605 |
oct | 444415053154000 |
9 | 78152262562343 |
10 | 20102203103232 |
11 | 6450329652208 |
12 | 2307b37190540 |
13 | b2a825370453 |
14 | 4d6d47b266ac |
15 | 24cd87701d3c |
hex | 124868acd800 |
20102203103232 has 96 divisors (see below), whose sum is σ = 54839132187840. Its totient is φ = 6544903249920.
The previous prime is 20102203103231. The next prime is 20102203103267. The reversal of 20102203103232 is 23230130220102.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (96).
It is a junction number, because it is equal to n+sod(n) for n = 20102203103199 and 20102203103208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20102203103231) 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, 37780494 + ... + 38308877.
It is an arithmetic number, because the mean of its divisors is an integer number (571240960290).
Almost surely, 220102203103232 is an apocalyptic number.
It is an amenable number.
20102203103232 is an abundant number, since it is smaller than the sum of its proper divisors (34736929084608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20102203103232 is an equidigital number, since it uses as much as digits as its factorization.
20102203103232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76089439 (or 76089419 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 20102203103232 its reverse (23230130220102), we get a palindrome (43332333323334).
The spelling of 20102203103232 in words is "twenty trillion, one hundred two billion, two hundred three million, one hundred three thousand, two hundred thirty-two".
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