Base | Representation |
---|---|
bin | 1001101011111110011100… |
… | …01100001101111001010010 |
3 | 2210102110201002111202100100 |
4 | 10311333032030031321102 |
5 | 10243003402221130002 |
6 | 113150032505033230 |
7 | 4326014266343343 |
oct | 465771614157122 |
9 | 83373632452310 |
10 | 21302202130002 |
11 | 6873238834082 |
12 | 2480614485816 |
13 | bb6a346a7181 |
14 | 53906407a0ca |
15 | 26e1bc29911c |
hex | 135fce30de52 |
21302202130002 has 48 divisors (see below), whose sum is σ = 50259279096000. Its totient is φ = 6495045292512.
The previous prime is 21302202129979. The next prime is 21302202130003. The reversal of 21302202130002 is 20003120220312.
21302202130002 is a `hidden beast` number, since 21 + 302 + 20 + 21 + 300 + 0 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (21302202130003) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1073906302 + ... + 1073926137.
It is an arithmetic number, because the mean of its divisors is an integer number (1047068314500).
Almost surely, 221302202130002 is an apocalyptic number.
21302202130002 is an abundant number, since it is smaller than the sum of its proper divisors (28957076965998).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21302202130002 is a wasteful number, since it uses less digits than its factorization.
21302202130002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2147832495 (or 2147832492 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 21302202130002 its reverse (20003120220312), we get a palindrome (41305322350314).
The spelling of 21302202130002 in words is "twenty-one trillion, three hundred two billion, two hundred two million, one hundred thirty thousand, two".
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