Base | Representation |
---|---|
bin | 111110111110011… |
… | …0110000110010111 |
3 | 12110021011201022121 |
4 | 1331330312012113 |
5 | 13311423232411 |
6 | 545403040411 |
7 | 103236033622 |
oct | 17574660627 |
9 | 5407151277 |
10 | 2113102231 |
11 | 994877a89 |
12 | 4ab810107 |
13 | 278a27766 |
14 | 1608dadb9 |
15 | c57a4571 |
hex | 7df36197 |
2113102231 has 8 divisors (see below), whose sum is σ = 2134275440. Its totient is φ = 2091961728.
The previous prime is 2113102163. The next prime is 2113102237. The reversal of 2113102231 is 1322013112.
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 2113102231 - 221 = 2111005079 is a prime.
It is a super-2 number, since 2×21131022312 = 8930402077314354722, 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 (2113102237) 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, 133900 + ... + 148846.
It is an arithmetic number, because the mean of its divisors is an integer number (266784430).
Almost surely, 22113102231 is an apocalyptic number.
2113102231 is a deficient number, since it is larger than the sum of its proper divisors (21173209).
2113102231 is a wasteful number, since it uses less digits than its factorization.
2113102231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16353.
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 2113102231 is about 45968.4917198726. The cubic root of 2113102231 is about 1283.2368903893.
Adding to 2113102231 its reverse (1322013112), we get a palindrome (3435115343).
The spelling of 2113102231 in words is "two billion, one hundred thirteen million, one hundred two thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •