Base | Representation |
---|---|
bin | 1011111111110001… |
… | …0000110000110001 |
3 | 22022102110102102211 |
4 | 2333330100300301 |
5 | 23043340324203 |
6 | 1251313012121 |
7 | 142541431000 |
oct | 27774206061 |
9 | 8272412384 |
10 | 3220245553 |
11 | 1402821168 |
12 | 75a554041 |
13 | 3c4209955 |
14 | 227978c37 |
15 | 13ca9bc6d |
hex | bff10c31 |
3220245553 has 16 divisors (see below), whose sum is σ = 3976300800. Its totient is φ = 2597840448.
The previous prime is 3220245551. The next prime is 3220245557. The reversal of 3220245553 is 3555420223.
It is not a de Polignac number, because 3220245553 - 21 = 3220245551 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3220245551) 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 15 ways as a sum of consecutive naturals, for example, 270301 + ... + 281962.
It is an arithmetic number, because the mean of its divisors is an integer number (248518800).
Almost surely, 23220245553 is an apocalyptic number.
It is an amenable number.
3220245553 is a deficient number, since it is larger than the sum of its proper divisors (756055247).
3220245553 is an equidigital number, since it uses as much as digits as its factorization.
3220245553 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 552301 (or 552287 counting only the distinct ones).
The product of its (nonzero) digits is 36000, while the sum is 31.
The square root of 3220245553 is about 56747.2074467105. The cubic root of 3220245553 is about 1476.7137874470.
Adding to 3220245553 its reverse (3555420223), we get a palindrome (6775665776).
The spelling of 3220245553 in words is "three billion, two hundred twenty million, two hundred forty-five thousand, five hundred fifty-three".
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