Base | Representation |
---|---|
bin | 1100010010110… |
… | …10010001100101 |
3 | 21012001120001112 |
4 | 12021122101211 |
5 | 202400131323 |
6 | 14122234405 |
7 | 2361410114 |
oct | 611322145 |
9 | 235046045 |
10 | 103130213 |
11 | 5323a28a |
12 | 2a655a05 |
13 | 1849b4c4 |
14 | d9a7c7b |
15 | 90c2178 |
hex | 625a465 |
103130213 has 2 divisors, whose sum is σ = 103130214. Its totient is φ = 103130212.
The previous prime is 103130207. The next prime is 103130243. The reversal of 103130213 is 312031301.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 85507009 + 17623204 = 9247^2 + 4198^2 .
It is an emirp because it is prime and its reverse (312031301) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 103130213 - 24 = 103130197 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (103130243) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51565106 + 51565107.
It is an arithmetic number, because the mean of its divisors is an integer number (51565107).
Almost surely, 2103130213 is an apocalyptic number.
It is an amenable number.
103130213 is a deficient number, since it is larger than the sum of its proper divisors (1).
103130213 is an equidigital number, since it uses as much as digits as its factorization.
103130213 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 54, while the sum is 14.
The square root of 103130213 is about 10155.3046729283. The cubic root of 103130213 is about 468.9522654685.
Adding to 103130213 its reverse (312031301), we get a palindrome (415161514).
The spelling of 103130213 in words is "one hundred three million, one hundred thirty thousand, two hundred thirteen".
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