Base | Representation |
---|---|
bin | 10100110111011010… |
… | …00011000010110101 |
3 | 1001220200221022222112 |
4 | 22123231003002311 |
5 | 140420231241041 |
6 | 5051330140405 |
7 | 544413142160 |
oct | 123355030265 |
9 | 31820838875 |
10 | 11202212021 |
11 | 48293a1770 |
12 | 2207721705 |
13 | 1096aa7730 |
14 | 783aaaad7 |
15 | 4586d3deb |
hex | 29bb430b5 |
11202212021 has 32 divisors (see below), whose sum is σ = 15054606336. Its totient is φ = 8050104000.
The previous prime is 11202212011. The next prime is 11202212029. The reversal of 11202212021 is 12021220211.
11202212021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 11202212021 - 214 = 11202195637 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 11202211987 and 11202212005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11202212029) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1227686 + ... + 1236776.
It is an arithmetic number, because the mean of its divisors is an integer number (470456448).
Almost surely, 211202212021 is an apocalyptic number.
11202212021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
11202212021 is a deficient number, since it is larger than the sum of its proper divisors (3852394315).
11202212021 is a wasteful number, since it uses less digits than its factorization.
11202212021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10353.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 11202212021 its reverse (12021220211), we get a palindrome (23223432232).
The spelling of 11202212021 in words is "eleven billion, two hundred two million, two hundred twelve thousand, twenty-one".
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