Base | Representation |
---|---|
bin | 111101110011… |
… | …000101001101 |
3 | 1010111001020111 |
4 | 331303011031 |
5 | 13121400023 |
6 | 1335120021 |
7 | 254461234 |
oct | 75630515 |
9 | 33431214 |
10 | 16200013 |
11 | 9165345 |
12 | 5513011 |
13 | 348290b |
14 | 2219b1b |
15 | 165000d |
hex | f7314d |
16200013 has 2 divisors, whose sum is σ = 16200014. Its totient is φ = 16200012.
The previous prime is 16199971. The next prime is 16200017. The reversal of 16200013 is 31000261.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 11168964 + 5031049 = 3342^2 + 2243^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-16200013 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 16199966 and 16200002.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (16200017) by changing a digit.
It is a good prime.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8100006 + 8100007.
It is an arithmetic number, because the mean of its divisors is an integer number (8100007).
Almost surely, 216200013 is an apocalyptic number.
It is an amenable number.
16200013 is a deficient number, since it is larger than the sum of its proper divisors (1).
16200013 is an equidigital number, since it uses as much as digits as its factorization.
16200013 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 16200013 is about 4024.9239744373. The cubic root of 16200013 is about 253.0298672734.
Adding to 16200013 its reverse (31000261), we get a palindrome (47200274).
The spelling of 16200013 in words is "sixteen million, two hundred thousand, thirteen".
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