Base | Representation |
---|---|
bin | 1011111111110000… |
… | …1111011011111001 |
3 | 22022102110010222122 |
4 | 2333330033123321 |
5 | 23043340140441 |
6 | 1251312531025 |
7 | 142541406110 |
oct | 27774173371 |
9 | 8272403878 |
10 | 3220240121 |
11 | 140281807a |
12 | 75a550a75 |
13 | 3c4207337 |
14 | 227976c77 |
15 | 13ca9a34b |
hex | bff0f6f9 |
3220240121 has 8 divisors (see below), whose sum is σ = 3680686080. Its totient is φ = 2759897088.
The previous prime is 3220240087. The next prime is 3220240139. The reversal of 3220240121 is 1210420223.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 3220240121 - 26 = 3220240057 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 3220240121.
It is not an unprimeable number, because it can be changed into a prime (3220240141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60665 + ... + 100601.
It is an arithmetic number, because the mean of its divisors is an integer number (460085760).
Almost surely, 23220240121 is an apocalyptic number.
It is an amenable number.
3220240121 is a deficient number, since it is larger than the sum of its proper divisors (460445959).
3220240121 is a wasteful number, since it uses less digits than its factorization.
3220240121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51463.
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 3220240121 is about 56747.1595853044. The cubic root of 3220240121 is about 1476.7129571259.
Adding to 3220240121 its reverse (1210420223), we get a palindrome (4430660344).
The spelling of 3220240121 in words is "three billion, two hundred twenty million, two hundred forty thousand, one hundred twenty-one".
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