Base | Representation |
---|---|
bin | 101011111000… |
… | …1111101000101 |
3 | 1121022002100111 |
4 | 1113301331011 |
5 | 21342324031 |
6 | 2141113021 |
7 | 366406606 |
oct | 127617505 |
9 | 47262314 |
10 | 23011141 |
11 | 11a9767a |
12 | 7858771 |
13 | 49c8b7a |
14 | 30addad |
15 | 20481b1 |
hex | 15f1f45 |
23011141 has 2 divisors, whose sum is σ = 23011142. Its totient is φ = 23011140.
The previous prime is 23011139. The next prime is 23011189. The reversal of 23011141 is 14111032.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 18792225 + 4218916 = 4335^2 + 2054^2 .
It is a cyclic number.
It is not a de Polignac number, because 23011141 - 21 = 23011139 is a prime.
It is a super-2 number, since 2×230111412 = 1059025220243762, which contains 22 as substring.
Together with 23011139, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23011111) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11505570 + 11505571.
It is an arithmetic number, because the mean of its divisors is an integer number (11505571).
Almost surely, 223011141 is an apocalyptic number.
It is an amenable number.
23011141 is a deficient number, since it is larger than the sum of its proper divisors (1).
23011141 is an equidigital number, since it uses as much as digits as its factorization.
23011141 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 24, while the sum is 13.
The square root of 23011141 is about 4796.9929122316. The cubic root of 23011141 is about 284.4326087209.
Adding to 23011141 its reverse (14111032), we get a palindrome (37122173).
The spelling of 23011141 in words is "twenty-three million, eleven thousand, one hundred forty-one".
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