Base | Representation |
---|---|
bin | 111110111010101… |
… | …0100100110011100 |
3 | 12110010110111221110 |
4 | 1331311110212130 |
5 | 13310422130022 |
6 | 545252502020 |
7 | 103213210665 |
oct | 17565244634 |
9 | 5403414843 |
10 | 2111130012 |
11 | 993750252 |
12 | 4ab01a910 |
13 | 2784b6b74 |
14 | 16054636c |
15 | c551500c |
hex | 7dd5499c |
2111130012 has 24 divisors (see below), whose sum is σ = 4950980496. Its totient is φ = 700137088.
The previous prime is 2111130011. The next prime is 2111130013. The reversal of 2111130012 is 2100311112.
It is an interprime number because it is at equal distance from previous prime (2111130011) and next prime (2111130013).
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a self number, because there is not a number n which added to its sum of digits gives 2111130012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2111130011) 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, 444153 + ... + 448880.
It is an arithmetic number, because the mean of its divisors is an integer number (206290854).
Almost surely, 22111130012 is an apocalyptic number.
It is an amenable number.
2111130012 is an abundant number, since it is smaller than the sum of its proper divisors (2839850484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2111130012 is a wasteful number, since it uses less digits than its factorization.
2111130012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 893237 (or 893235 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 12.
The square root of 2111130012 is about 45947.0348553636. The cubic root of 2111130012 is about 1282.8375388401.
Adding to 2111130012 its reverse (2100311112), we get a palindrome (4211441124).
The spelling of 2111130012 in words is "two billion, one hundred eleven million, one hundred thirty thousand, twelve".
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