Base | Representation |
---|---|
bin | 100000110010100… |
… | …0010111001001101 |
3 | 2211200021111010110 |
4 | 1001211002321031 |
5 | 4223124331341 |
6 | 301101430233 |
7 | 36156542166 |
oct | 10145027115 |
9 | 2750244113 |
10 | 1100230221 |
11 | 515062282 |
12 | 26856b379 |
13 | 146c316cc |
14 | a619c76d |
15 | 668ce216 |
hex | 41942e4d |
1100230221 has 16 divisors (see below), whose sum is σ = 1492497728. Its totient is φ = 720748800.
The previous prime is 1100230211. The next prime is 1100230223. The reversal of 1100230221 is 1220320011.
It is not a de Polignac number, because 1100230221 - 25 = 1100230189 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1100230197 and 1100230206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1100230223) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233925 + ... + 238581.
It is an arithmetic number, because the mean of its divisors is an integer number (93281108).
Almost surely, 21100230221 is an apocalyptic number.
It is an amenable number.
1100230221 is a deficient number, since it is larger than the sum of its proper divisors (392267507).
1100230221 is a wasteful number, since it uses less digits than its factorization.
1100230221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6012.
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 1100230221 is about 33169.7184341381. The cubic root of 1100230221 is about 1032.3521263602.
Adding to 1100230221 its reverse (1220320011), we get a palindrome (2320550232).
The spelling of 1100230221 in words is "one billion, one hundred million, two hundred thirty thousand, two hundred twenty-one".
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