Base | Representation |
---|---|
bin | 100001001100110… |
… | …0111101000010101 |
3 | 2212122012200102102 |
4 | 1002121213220111 |
5 | 4240141342211 |
6 | 302313051445 |
7 | 36414642632 |
oct | 10231475025 |
9 | 2778180372 |
10 | 1114012181 |
11 | 521915927 |
12 | 2710b6b85 |
13 | 149a48809 |
14 | a7d49189 |
15 | 67c02a3b |
hex | 42667a15 |
1114012181 has 2 divisors, whose sum is σ = 1114012182. Its totient is φ = 1114012180.
The previous prime is 1114012157. The next prime is 1114012231. The reversal of 1114012181 is 1812104111.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 990046225 + 123965956 = 31465^2 + 11134^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1114012181 is a prime.
It is a super-2 number, since 2×11140121812 = 2482046278832753522, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1114012381) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557006090 + 557006091.
It is an arithmetic number, because the mean of its divisors is an integer number (557006091).
Almost surely, 21114012181 is an apocalyptic number.
It is an amenable number.
1114012181 is a deficient number, since it is larger than the sum of its proper divisors (1).
1114012181 is an equidigital number, since it uses as much as digits as its factorization.
1114012181 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 64, while the sum is 20.
The square root of 1114012181 is about 33376.8210139911. The cubic root of 1114012181 is about 1036.6448151201.
Adding to 1114012181 its reverse (1812104111), we get a palindrome (2926116292).
The spelling of 1114012181 in words is "one billion, one hundred fourteen million, twelve thousand, one hundred eighty-one".
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