Base | Representation |
---|---|
bin | 10011101111101100… |
… | …100011011001000110 |
3 | 2000201112222210022112 |
4 | 103233230203121012 |
5 | 321410013144420 |
6 | 13423441301022 |
7 | 1350250050221 |
oct | 235754433106 |
9 | 60645883275 |
10 | 21201303110 |
11 | 8a9a645909 |
12 | 4138334772 |
13 | 1ccb537290 |
14 | 1051a745b8 |
15 | 8414628c5 |
hex | 4efb23646 |
21201303110 has 32 divisors (see below), whose sum is σ = 41130415872. Its totient is φ = 7821982080.
The previous prime is 21201303107. The next prime is 21201303133. The reversal of 21201303110 is 1130310212.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102155 + ... + 229865.
It is an arithmetic number, because the mean of its divisors is an integer number (1285325496).
Almost surely, 221201303110 is an apocalyptic number.
21201303110 is a deficient number, since it is larger than the sum of its proper divisors (19929112762).
21201303110 is a wasteful number, since it uses less digits than its factorization.
21201303110 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 129008.
The product of its (nonzero) digits is 36, while the sum is 14.
Adding to 21201303110 its reverse (1130310212), we get a palindrome (22331613322).
The spelling of 21201303110 in words is "twenty-one billion, two hundred one million, three hundred three thousand, one hundred ten".
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