Base | Representation |
---|---|
bin | 111111000000010… |
… | …1100101010110101 |
3 | 12110100002000201011 |
4 | 1332000230222311 |
5 | 13312203042211 |
6 | 545440432221 |
7 | 103250441236 |
oct | 17600545265 |
9 | 5410060634 |
10 | 2114112181 |
11 | 9953a7855 |
12 | 4b0018671 |
13 | 278cbc36c |
14 | 160ac108d |
15 | c5903921 |
hex | 7e02cab5 |
2114112181 has 2 divisors, whose sum is σ = 2114112182. Its totient is φ = 2114112180.
The previous prime is 2114112149. The next prime is 2114112223. The reversal of 2114112181 is 1812114112.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1643005156 + 471107025 = 40534^2 + 21705^2 .
It is a cyclic number.
It is not a de Polignac number, because 2114112181 - 25 = 2114112149 is a prime.
It is a super-2 number, since 2×21141121812 = 8938940627705153522, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2114112101) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1057056090 + 1057056091.
It is an arithmetic number, because the mean of its divisors is an integer number (1057056091).
Almost surely, 22114112181 is an apocalyptic number.
It is an amenable number.
2114112181 is a deficient number, since it is larger than the sum of its proper divisors (1).
2114112181 is an equidigital number, since it uses as much as digits as its factorization.
2114112181 is an evil number, because the sum of its binary digits is even.
The product of its digits is 128, while the sum is 22.
The square root of 2114112181 is about 45979.4756494678. The cubic root of 2114112181 is about 1283.4412973917.
Adding to 2114112181 its reverse (1812114112), we get a palindrome (3926226293).
The spelling of 2114112181 in words is "two billion, one hundred fourteen million, one hundred twelve thousand, one hundred eighty-one".
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