Base | Representation |
---|---|
bin | 1100010011010… |
… | …11100110111101 |
3 | 21012012011110011 |
4 | 12021223212331 |
5 | 202404414323 |
6 | 14123543221 |
7 | 2362124113 |
oct | 611534675 |
9 | 235164404 |
10 | 103201213 |
11 | 53288665 |
12 | 2a68ab11 |
13 | 184c490b |
14 | d9c5ab3 |
15 | 90d820d |
hex | 626b9bd |
103201213 has 2 divisors, whose sum is σ = 103201214. Its totient is φ = 103201212.
The previous prime is 103201211. The next prime is 103201279. The reversal of 103201213 is 312102301.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 68591524 + 34609689 = 8282^2 + 5883^2 .
It is a cyclic number.
It is not a de Polignac number, because 103201213 - 21 = 103201211 is a prime.
Together with 103201211, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 103201193 and 103201202.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (103201211) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51600606 + 51600607.
It is an arithmetic number, because the mean of its divisors is an integer number (51600607).
Almost surely, 2103201213 is an apocalyptic number.
It is an amenable number.
103201213 is a deficient number, since it is larger than the sum of its proper divisors (1).
103201213 is an equidigital number, since it uses as much as digits as its factorization.
103201213 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 103201213 is about 10158.7997814703. The cubic root of 103201213 is about 469.0598575181.
Adding to 103201213 its reverse (312102301), we get a palindrome (415303514).
The spelling of 103201213 in words is "one hundred three million, two hundred one thousand, two hundred thirteen".
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