Base | Representation |
---|---|
bin | 1001001110110100010010… |
… | …10111101100011111010110 |
3 | 2122212200200012202212121200 |
4 | 10213122021113230133112 |
5 | 10130100023423143110 |
6 | 111101501024453330 |
7 | 4163435600020002 |
oct | 447321127543726 |
9 | 78780605685550 |
10 | 20300320131030 |
11 | 6517354538535 |
12 | 233a40817a246 |
13 | b4340953b394 |
14 | 50277dad3702 |
15 | 2530d06cd6c0 |
hex | 1276895ec7d6 |
20300320131030 has 96 divisors (see below), whose sum is σ = 52993366811424. Its totient is φ = 5391655930368.
The previous prime is 20300320131011. The next prime is 20300320131031. The reversal of 20300320131030 is 3013102300302.
20300320131030 is a `hidden beast` number, since 2 + 0 + 3 + 0 + 0 + 320 + 1 + 310 + 30 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 20300320130994 and 20300320131012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20300320131031) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27018114 + ... + 27759306.
It is an arithmetic number, because the mean of its divisors is an integer number (552014237619).
Almost surely, 220300320131030 is an apocalyptic number.
20300320131030 is an abundant number, since it is smaller than the sum of its proper divisors (32693046680394).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20300320131030 is a wasteful number, since it uses less digits than its factorization.
20300320131030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 742430 (or 742427 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 20300320131030 its reverse (3013102300302), we get a palindrome (23313422431332).
The spelling of 20300320131030 in words is "twenty trillion, three hundred billion, three hundred twenty million, one hundred thirty-one thousand, thirty".
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