Base | Representation |
---|---|
bin | 111110111100101… |
… | …1100100001101011 |
3 | 12110012111102211221 |
4 | 1331321130201223 |
5 | 13311211223201 |
6 | 545332002511 |
7 | 103225332466 |
oct | 17571344153 |
9 | 5405442757 |
10 | 2112211051 |
11 | 994319475 |
12 | 4ab460437 |
13 | 2787a4c32 |
14 | 1607482dd |
15 | c567a4a1 |
hex | 7de5c86b |
2112211051 has 2 divisors, whose sum is σ = 2112211052. Its totient is φ = 2112211050.
The previous prime is 2112211039. The next prime is 2112211061. The reversal of 2112211051 is 1501122112.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2112211051 - 219 = 2111686763 is a prime.
It is a super-2 number, since 2×21122110512 = 8922871047933049202, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2112211061) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056105525 + 1056105526.
It is an arithmetic number, because the mean of its divisors is an integer number (1056105526).
Almost surely, 22112211051 is an apocalyptic number.
2112211051 is a deficient number, since it is larger than the sum of its proper divisors (1).
2112211051 is an equidigital number, since it uses as much as digits as its factorization.
2112211051 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 40, while the sum is 16.
The square root of 2112211051 is about 45958.7973189029. The cubic root of 2112211051 is about 1283.0564675274.
Adding to 2112211051 its reverse (1501122112), we get a palindrome (3613333163).
The spelling of 2112211051 in words is "two billion, one hundred twelve million, two hundred eleven thousand, fifty-one".
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