Base | Representation |
---|---|
bin | 111110111010111… |
… | …0000011110110101 |
3 | 12110010200022121010 |
4 | 1331311300132311 |
5 | 13310434303323 |
6 | 545255142433 |
7 | 103214164641 |
oct | 17565603665 |
9 | 5403608533 |
10 | 2111244213 |
11 | 993819031 |
12 | 4ab074a19 |
13 | 278526b40 |
14 | 160575c21 |
15 | c5538c93 |
hex | 7dd707b5 |
2111244213 has 8 divisors (see below), whose sum is σ = 3031530208. Its totient is φ = 1299227184.
The previous prime is 2111244197. The next prime is 2111244253. The reversal of 2111244213 is 3124421112.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2111244213 - 24 = 2111244197 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 2111244213.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2111244253) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27067195 + ... + 27067272.
It is an arithmetic number, because the mean of its divisors is an integer number (378941276).
Almost surely, 22111244213 is an apocalyptic number.
It is an amenable number.
2111244213 is a deficient number, since it is larger than the sum of its proper divisors (920285995).
2111244213 is a wasteful number, since it uses less digits than its factorization.
2111244213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54134483.
The product of its digits is 384, while the sum is 21.
The square root of 2111244213 is about 45948.2775846930. The cubic root of 2111244213 is about 1282.8606700048.
Adding to 2111244213 its reverse (3124421112), we get a palindrome (5235665325).
The spelling of 2111244213 in words is "two billion, one hundred eleven million, two hundred forty-four thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •