Base | Representation |
---|---|
bin | 111110100111110… |
… | …0100000110001101 |
3 | 12102102211122102220 |
4 | 1331033210012031 |
5 | 13300403411023 |
6 | 544300405553 |
7 | 103033114566 |
oct | 17517440615 |
9 | 5372748386 |
10 | 2101232013 |
11 | 9890aa791 |
12 | 4a78468b9 |
13 | 27642c86a |
14 | 15d0cb16d |
15 | c470c3e3 |
hex | 7d3e418d |
2101232013 has 8 divisors (see below), whose sum is σ = 2804543808. Its totient is φ = 1399370784.
The previous prime is 2101231981. The next prime is 2101232041. The reversal of 2101232013 is 3102321012.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2101232013 - 25 = 2101231981 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2101231983 and 2101232001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2101230013) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359256 + ... + 365057.
It is an arithmetic number, because the mean of its divisors is an integer number (350567976).
Almost surely, 22101232013 is an apocalyptic number.
It is an amenable number.
2101232013 is a deficient number, since it is larger than the sum of its proper divisors (703311795).
2101232013 is an equidigital number, since it uses as much as digits as its factorization.
2101232013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 725283.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 2101232013 is about 45839.1973424492. The cubic root of 2101232013 is about 1280.8295430430.
Adding to 2101232013 its reverse (3102321012), we get a palindrome (5203553025).
The spelling of 2101232013 in words is "two billion, one hundred one million, two hundred thirty-two thousand, thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •