Base | Representation |
---|---|
bin | 100100001000001… |
… | …0011100100111001 |
3 | 10010111000212111002 |
4 | 1020100103210321 |
5 | 4440312442131 |
6 | 320142214345 |
7 | 42016551014 |
oct | 11020234471 |
9 | 3114025432 |
10 | 1212234041 |
11 | 572302417 |
12 | 299b843b5 |
13 | 1641b8b65 |
14 | b6dd637b |
15 | 716556cb |
hex | 48413939 |
1212234041 has 2 divisors, whose sum is σ = 1212234042. Its totient is φ = 1212234040.
The previous prime is 1212234031. The next prime is 1212234043. The reversal of 1212234041 is 1404322121.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1047881641 + 164352400 = 32371^2 + 12820^2 .
It is an emirp because it is prime and its reverse (1404322121) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1212234041 - 210 = 1212233017 is a prime.
It is a super-2 number, since 2×12122340412 = 2939022740318379362, which contains 22 as substring.
It is a Sophie Germain prime.
Together with 1212234043, it forms a pair of twin primes.
It is a Chen prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (1212234043) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606117020 + 606117021.
It is an arithmetic number, because the mean of its divisors is an integer number (606117021).
Almost surely, 21212234041 is an apocalyptic number.
It is an amenable number.
1212234041 is a deficient number, since it is larger than the sum of its proper divisors (1).
1212234041 is an equidigital number, since it uses as much as digits as its factorization.
1212234041 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 384, while the sum is 20.
The square root of 1212234041 is about 34817.1515348398. The cubic root of 1212234041 is about 1066.2576459886.
Adding to 1212234041 its reverse (1404322121), we get a palindrome (2616556162).
The spelling of 1212234041 in words is "one billion, two hundred twelve million, two hundred thirty-four thousand, forty-one".
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