Base | Representation |
---|---|
bin | 1001101001111100000110… |
… | …00111001001001011011110 |
3 | 2210011210002010111020122221 |
4 | 10310332003013021023132 |
5 | 10240332043044011110 |
6 | 113053540522055554 |
7 | 4320656165000503 |
oct | 464760307111336 |
9 | 83153063436587 |
10 | 21232223032030 |
11 | 684659841900a |
12 | 246ab4464a5ba |
13 | bb026169a6aa |
14 | 5359061454aa |
15 | 26c4739167da |
hex | 134f831c92de |
21232223032030 has 16 divisors (see below), whose sum is σ = 38219642768304. Its totient is φ = 8492524477120.
The previous prime is 21232223031991. The next prime is 21232223032039. The reversal of 21232223032030 is 3023032223212.
It is a junction number, because it is equal to n+sod(n) for n = 21232223031986 and 21232223032004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21232223032039) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45347407 + ... + 45813226.
It is an arithmetic number, because the mean of its divisors is an integer number (2388727673019).
Almost surely, 221232223032030 is an apocalyptic number.
21232223032030 is a deficient number, since it is larger than the sum of its proper divisors (16987419736274).
21232223032030 is a wasteful number, since it uses less digits than its factorization.
21232223032030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 91183931.
The product of its (nonzero) digits is 5184, while the sum is 25.
Adding to 21232223032030 its reverse (3023032223212), we get a palindrome (24255255255242).
The spelling of 21232223032030 in words is "twenty-one trillion, two hundred thirty-two billion, two hundred twenty-three million, thirty-two thousand, thirty".
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