Base | Representation |
---|---|
bin | 1001101001000011110011… |
… | …01100010001001110101100 |
3 | 2210001220001211221101011011 |
4 | 10310201321230101032230 |
5 | 10234333144024033400 |
6 | 113032021530235004 |
7 | 4315536221230216 |
oct | 464417154211654 |
9 | 83056054841134 |
10 | 21202000221100 |
11 | 6834799431916 |
12 | 246510ab85a64 |
13 | baa4560c260a |
14 | 53427a29b5b6 |
15 | 26b7a54798ba |
hex | 134879b113ac |
21202000221100 has 36 divisors (see below), whose sum is σ = 47594834985600. Its totient is φ = 8188358704960.
The previous prime is 21202000221067. The next prime is 21202000221107. The reversal of 21202000221100 is 112200020212.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (21202000221107) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3655514380 + ... + 3655520179.
It is an arithmetic number, because the mean of its divisors is an integer number (1322078749600).
Almost surely, 221202000221100 is an apocalyptic number.
21202000221100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
21202000221100 is an abundant number, since it is smaller than the sum of its proper divisors (26392834764500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21202000221100 is a wasteful number, since it uses less digits than its factorization.
21202000221100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7311034602 (or 7311034595 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 13.
Adding to 21202000221100 its reverse (112200020212), we get a palindrome (21314200241312).
The spelling of 21202000221100 in words is "twenty-one trillion, two hundred two billion, two hundred twenty-one thousand, one hundred".
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