Base | Representation |
---|---|
bin | 1011001011011111… |
… | …1110111100111101 |
3 | 21202010221121211002 |
4 | 2302313332330331 |
5 | 22121230121341 |
6 | 1213442140045 |
7 | 134240152043 |
oct | 26267767475 |
9 | 7663847732 |
10 | 3001020221 |
11 | 12aaaa7a01 |
12 | 6b9051625 |
13 | 38a980a14 |
14 | 2067d0393 |
15 | 1286e629b |
hex | b2dfef3d |
3001020221 has 8 divisors (see below), whose sum is σ = 3030700320. Its totient is φ = 2971477872.
The previous prime is 3001020203. The next prime is 3001020223. The reversal of 3001020221 is 1220201003.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-3001020221 is a prime.
It is a super-2 number, since 2×30010202212 = 18012244733701777682, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3001020223) 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, 9626 + ... + 78068.
It is an arithmetic number, because the mean of its divisors is an integer number (378837540).
Almost surely, 23001020221 is an apocalyptic number.
It is an amenable number.
3001020221 is a deficient number, since it is larger than the sum of its proper divisors (29680099).
3001020221 is a wasteful number, since it uses less digits than its factorization.
3001020221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68875.
The product of its (nonzero) digits is 24, while the sum is 11.
The square root of 3001020221 is about 54781.5682597715. The cubic root of 3001020221 is about 1442.4130421445.
Adding to 3001020221 its reverse (1220201003), we get a palindrome (4221221224).
The spelling of 3001020221 in words is "three billion, one million, twenty thousand, two hundred twenty-one".
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