Base | Representation |
---|---|
bin | 111110111010110… |
… | …0101111101001111 |
3 | 12110010121010110110 |
4 | 1331311211331033 |
5 | 13310431413403 |
6 | 545254211103 |
7 | 103213625154 |
oct | 17565457517 |
9 | 5403533413 |
10 | 2111201103 |
11 | 993799700 |
12 | 4ab053a93 |
13 | 27851032b |
14 | 16056422b |
15 | c552b103 |
hex | 7dd65f4f |
2111201103 has 12 divisors (see below), whose sum is σ = 3094102424. Its totient is φ = 1279515600.
The previous prime is 2111201101. The next prime is 2111201159. The reversal of 2111201103 is 3011021112.
It is not a de Polignac number, because 2111201103 - 21 = 2111201101 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 (2111201101) 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, 2907628 + ... + 2908353.
Almost surely, 22111201103 is an apocalyptic number.
2111201103 is a deficient number, since it is larger than the sum of its proper divisors (982901321).
2111201103 is a wasteful number, since it uses less digits than its factorization.
2111201103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5816006 (or 5815995 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 12.
The square root of 2111201103 is about 45947.8084678693. The cubic root of 2111201103 is about 1282.8519382659.
Adding to 2111201103 its reverse (3011021112), we get a palindrome (5122222215).
Subtracting 2111201103 from its reverse (3011021112), we obtain a square (899820009 = 299972).
The spelling of 2111201103 in words is "two billion, one hundred eleven million, two hundred one thousand, one hundred three".
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