Base | Representation |
---|---|
bin | 1100111010110… |
… | …00110101101101 |
3 | 21112220121212111 |
4 | 12131120311231 |
5 | 210220222323 |
6 | 14430404021 |
7 | 2454051253 |
oct | 635306555 |
9 | 245817774 |
10 | 108367213 |
11 | 56196989 |
12 | 30360611 |
13 | 195b3116 |
14 | 1056c5d3 |
15 | 97a8c0d |
hex | 6758d6d |
108367213 has 2 divisors, whose sum is σ = 108367214. Its totient is φ = 108367212.
The previous prime is 108367211. The next prime is 108367219. The reversal of 108367213 is 312763801.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 90878089 + 17489124 = 9533^2 + 4182^2 .
It is a cyclic number.
It is not a de Polignac number, because 108367213 - 21 = 108367211 is a prime.
Together with 108367211, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (108367211) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54183606 + 54183607.
It is an arithmetic number, because the mean of its divisors is an integer number (54183607).
Almost surely, 2108367213 is an apocalyptic number.
It is an amenable number.
108367213 is a deficient number, since it is larger than the sum of its proper divisors (1).
108367213 is an equidigital number, since it uses as much as digits as its factorization.
108367213 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6048, while the sum is 31.
The square root of 108367213 is about 10409.9573966467. The cubic root of 108367213 is about 476.7594404868.
The spelling of 108367213 in words is "one hundred eight million, three hundred sixty-seven thousand, two hundred thirteen".
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