Base | Representation |
---|---|
bin | 110010010011… |
… | …111101001101 |
3 | 220211001211022 |
4 | 302103331031 |
5 | 11334021231 |
6 | 1150403525 |
7 | 220050503 |
oct | 62237515 |
9 | 26731738 |
10 | 13188941 |
11 | 7499057 |
12 | 45005a5 |
13 | 296a20c |
14 | 1a74673 |
15 | 1257c7b |
hex | c93f4d |
13188941 has 2 divisors, whose sum is σ = 13188942. Its totient is φ = 13188940.
The previous prime is 13188893. The next prime is 13188943. The reversal of 13188941 is 14988131.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 8970025 + 4218916 = 2995^2 + 2054^2 .
It is a cyclic number.
It is not a de Polignac number, because 13188941 - 210 = 13187917 is a prime.
Together with 13188943, 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 (13188943) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6594470 + 6594471.
It is an arithmetic number, because the mean of its divisors is an integer number (6594471).
Almost surely, 213188941 is an apocalyptic number.
It is an amenable number.
13188941 is a deficient number, since it is larger than the sum of its proper divisors (1).
13188941 is an equidigital number, since it uses as much as digits as its factorization.
13188941 is an evil number, because the sum of its binary digits is even.
The product of its digits is 6912, while the sum is 35.
The square root of 13188941 is about 3631.6581612261. The cubic root of 13188941 is about 236.2671314434.
The spelling of 13188941 in words is "thirteen million, one hundred eighty-eight thousand, nine hundred forty-one".
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