Base | Representation |
---|---|
bin | 100100010110111… |
… | …1100000111111101 |
3 | 10011000122112112102 |
4 | 1020231330013331 |
5 | 4444310033201 |
6 | 321020514445 |
7 | 42142564010 |
oct | 11055740775 |
9 | 3130575472 |
10 | 1220002301 |
11 | 576728871 |
12 | 2a06aba25 |
13 | 1659a896b |
14 | b8059377 |
15 | 7218c26b |
hex | 48b7c1fd |
1220002301 has 16 divisors (see below), whose sum is σ = 1422489600. Its totient is φ = 1024744560.
The previous prime is 1220002291. The next prime is 1220002327. The reversal of 1220002301 is 1032000221.
It is a happy number.
It is not a de Polignac number, because 1220002301 - 26 = 1220002237 is a prime.
It is a super-3 number, since 3×12200023013 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1220002391) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75650 + ... + 90348.
It is an arithmetic number, because the mean of its divisors is an integer number (88905600).
Almost surely, 21220002301 is an apocalyptic number.
It is an amenable number.
1220002301 is a deficient number, since it is larger than the sum of its proper divisors (202487299).
1220002301 is a wasteful number, since it uses less digits than its factorization.
1220002301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14944.
The product of its (nonzero) digits is 24, while the sum is 11.
The square root of 1220002301 is about 34928.5313318496. The cubic root of 1220002301 is about 1068.5304019208.
Adding to 1220002301 its reverse (1032000221), we get a palindrome (2252002522).
The spelling of 1220002301 in words is "one billion, two hundred twenty million, two thousand, three hundred one".
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