Base | Representation |
---|---|
bin | 10101101000000001… |
… | …010010000110001101 |
3 | 2012221020112101021000 |
4 | 111220001102012031 |
5 | 340023310100323 |
6 | 14400033130513 |
7 | 1451261525241 |
oct | 255001220615 |
9 | 65836471230 |
10 | 23220003213 |
11 | 99360a5100 |
12 | 46003b9a39 |
13 | 226082b194 |
14 | 11a3bda421 |
15 | 90d7bae43 |
hex | 56805218d |
23220003213 has 48 divisors (see below), whose sum is σ = 37869249600. Its totient is φ = 14051268000.
The previous prime is 23220003173. The next prime is 23220003239. The reversal of 23220003213 is 31230002232.
It is a happy number.
It is not a de Polignac number, because 23220003213 - 28 = 23220002957 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23220043213) 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 47 ways as a sum of consecutive naturals, for example, 2285098 + ... + 2295236.
It is an arithmetic number, because the mean of its divisors is an integer number (788942700).
Almost surely, 223220003213 is an apocalyptic number.
It is an amenable number.
23220003213 is a deficient number, since it is larger than the sum of its proper divisors (14649246387).
23220003213 is a wasteful number, since it uses less digits than its factorization.
23220003213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10871 (or 10854 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 23220003213 its reverse (31230002232), we get a palindrome (54450005445).
The spelling of 23220003213 in words is "twenty-three billion, two hundred twenty million, three thousand, two hundred thirteen".
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