Base | Representation |
---|---|
bin | 1000000011011000100101 |
3 | 10222020202200 |
4 | 20003120211 |
5 | 1020023023 |
6 | 113125113 |
7 | 23641362 |
oct | 10033045 |
9 | 3866680 |
10 | 2111013 |
11 | 1212043 |
12 | 859799 |
13 | 58bb28 |
14 | 3cd469 |
15 | 2ba743 |
hex | 203625 |
2111013 has 12 divisors (see below), whose sum is σ = 3070080. Its totient is φ = 1397736.
The previous prime is 2110981. The next prime is 2111023. The reversal of 2111013 is 3101112.
It is not a de Polignac number, because 2111013 - 25 = 2110981 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 2110986 and 2111004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2111023) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 748 + ... + 2186.
It is an arithmetic number, because the mean of its divisors is an integer number (255840).
22111013 is an apocalyptic number.
It is an amenable number.
2111013 is a deficient number, since it is larger than the sum of its proper divisors (959067).
2111013 is a wasteful number, since it uses less digits than its factorization.
2111013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1608 (or 1605 counting only the distinct ones).
The product of its (nonzero) digits is 6, while the sum is 9.
The square root of 2111013 is about 1452.9325517724. The cubic root of 2111013 is about 128.2813837448.
Adding to 2111013 its reverse (3101112), we get a palindrome (5212125).
Subtracting 2111013 from its reverse (3101112), we obtain a palindrome (990099).
The spelling of 2111013 in words is "two million, one hundred eleven thousand, thirteen".
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