Base | Representation |
---|---|
bin | 1011100101110001… |
… | …0010100111011001 |
3 | 22000211021101202121 |
4 | 2321130102213121 |
5 | 22332431414431 |
6 | 1232415501241 |
7 | 140045526361 |
oct | 27134224731 |
9 | 8024241677 |
10 | 3111201241 |
11 | 13572125a5 |
12 | 729b27821 |
13 | 3a774a5a5 |
14 | 2172b19a1 |
15 | 13320c611 |
hex | b97129d9 |
3111201241 has 4 divisors (see below), whose sum is σ = 3118808500. Its totient is φ = 3103593984.
The previous prime is 3111201221. The next prime is 3111201257. The reversal of 3111201241 is 1421021113.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 2926377216 + 184824025 = 54096^2 + 13595^2 .
It is a cyclic number.
It is not a de Polignac number, because 3111201241 - 25 = 3111201209 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3111201221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3803016 + ... + 3803833.
It is an arithmetic number, because the mean of its divisors is an integer number (779702125).
Almost surely, 23111201241 is an apocalyptic number.
It is an amenable number.
3111201241 is a deficient number, since it is larger than the sum of its proper divisors (7607259).
3111201241 is an equidigital number, since it uses as much as digits as its factorization.
3111201241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7607258.
The product of its (nonzero) digits is 48, while the sum is 16.
The square root of 3111201241 is about 55778.1430400834. The cubic root of 3111201241 is about 1459.8538105017.
Adding to 3111201241 its reverse (1421021113), we get a palindrome (4532222354).
The spelling of 3111201241 in words is "three billion, one hundred eleven million, two hundred one thousand, two hundred forty-one".
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