Base | Representation |
---|---|
bin | 111100001110111… |
… | …1111111111100101 |
3 | 12012212010001102120 |
4 | 1320131333333211 |
5 | 13114402131323 |
6 | 532315500153 |
7 | 101041215624 |
oct | 17035777745 |
9 | 5185101376 |
10 | 2021130213 |
11 | 94796a053 |
12 | 484a57659 |
13 | 26296504b |
14 | 1525d96bb |
15 | bc6885e3 |
hex | 7877ffe5 |
2021130213 has 8 divisors (see below), whose sum is σ = 2695276800. Its totient is φ = 1347201888.
The previous prime is 2021130179. The next prime is 2021130227. The reversal of 2021130213 is 3120311202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2021130213 - 212 = 2021126117 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2021130192 and 2021130201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2021130283) 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, 31573 + ... + 70986.
It is an arithmetic number, because the mean of its divisors is an integer number (336909600).
Almost surely, 22021130213 is an apocalyptic number.
It is an amenable number.
2021130213 is a deficient number, since it is larger than the sum of its proper divisors (674146587).
2021130213 is a wasteful number, since it uses less digits than its factorization.
2021130213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 109131.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 2021130213 is about 44956.9818048320. The cubic root of 2021130213 is about 1264.3425816347.
Adding to 2021130213 its reverse (3120311202), we get a palindrome (5141441415).
The spelling of 2021130213 in words is "two billion, twenty-one million, one hundred thirty thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •