Base | Representation |
---|---|
bin | 111110100111101… |
… | …1111101110011111 |
3 | 12102102210201212212 |
4 | 1331033133232133 |
5 | 13300402322421 |
6 | 544300151035 |
7 | 103033011443 |
oct | 17517375637 |
9 | 5372721785 |
10 | 2101214111 |
11 | 989098297 |
12 | 4a783847b |
13 | 276424679 |
14 | 15d0c4823 |
15 | c4706e5b |
hex | 7d3dfb9f |
2101214111 has 24 divisors (see below), whose sum is σ = 2226192384. Its totient is φ = 1982806560.
The previous prime is 2101214099. The next prime is 2101214119. The reversal of 2101214111 is 1114121012.
It is not a de Polignac number, because 2101214111 - 230 = 1027472287 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2101214119) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11001026 + ... + 11001216.
It is an arithmetic number, because the mean of its divisors is an integer number (92758016).
Almost surely, 22101214111 is an apocalyptic number.
2101214111 is a deficient number, since it is larger than the sum of its proper divisors (124978273).
2101214111 is a wasteful number, since it uses less digits than its factorization.
2101214111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 479 (or 450 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 14.
The square root of 2101214111 is about 45839.0020724710. The cubic root of 2101214111 is about 1280.8259055777.
Adding to 2101214111 its reverse (1114121012), we get a palindrome (3215335123).
The spelling of 2101214111 in words is "two billion, one hundred one million, two hundred fourteen thousand, one hundred eleven".
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