Base | Representation |
---|---|
bin | 11001011001111… |
… | …00010101010101 |
3 | 112212000000021212 |
4 | 30230330111111 |
5 | 414023424203 |
6 | 33051351205 |
7 | 5165250164 |
oct | 1454742525 |
9 | 485000255 |
10 | 213108053 |
11 | aa326264 |
12 | 5b452505 |
13 | 351c6752 |
14 | 204353db |
15 | 13a981d8 |
hex | cb3c555 |
213108053 has 2 divisors, whose sum is σ = 213108054. Its totient is φ = 213108052.
The previous prime is 213108031. The next prime is 213108083. The reversal of 213108053 is 350801312.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 106646929 + 106461124 = 10327^2 + 10318^2 .
It is a cyclic number.
It is not a de Polignac number, because 213108053 - 216 = 213042517 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (213108023) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106554026 + 106554027.
It is an arithmetic number, because the mean of its divisors is an integer number (106554027).
Almost surely, 2213108053 is an apocalyptic number.
It is an amenable number.
213108053 is a deficient number, since it is larger than the sum of its proper divisors (1).
213108053 is an equidigital number, since it uses as much as digits as its factorization.
213108053 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 720, while the sum is 23.
The square root of 213108053 is about 14598.2208847517. The cubic root of 213108053 is about 597.3102312214.
Adding to 213108053 its reverse (350801312), we get a palindrome (563909365).
The spelling of 213108053 in words is "two hundred thirteen million, one hundred eight thousand, fifty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •