Base | Representation |
---|---|
bin | 111101011001001… |
… | …100000100001101 |
3 | 2122210011002110221 |
4 | 331121030010031 |
5 | 4102140410242 |
6 | 250112431341 |
7 | 34344652633 |
oct | 7531140415 |
9 | 2583132427 |
10 | 1030013197 |
11 | 489463184 |
12 | 248b48551 |
13 | 135518185 |
14 | 9ab21353 |
15 | 6065e167 |
hex | 3d64c10d |
1030013197 has 4 divisors (see below), whose sum is σ = 1030735420. Its totient is φ = 1029290976.
The previous prime is 1030013191. The next prime is 1030013219. The reversal of 1030013197 is 7913100301.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 415915236 + 614097961 = 20394^2 + 24781^2 .
It is a cyclic number.
It is not a de Polignac number, because 1030013197 - 23 = 1030013189 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1030013191) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358968 + ... + 361825.
It is an arithmetic number, because the mean of its divisors is an integer number (257683855).
Almost surely, 21030013197 is an apocalyptic number.
It is an amenable number.
1030013197 is a deficient number, since it is larger than the sum of its proper divisors (722223).
1030013197 is an equidigital number, since it uses as much as digits as its factorization.
1030013197 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 722222.
The product of its (nonzero) digits is 567, while the sum is 25.
The square root of 1030013197 is about 32093.8186727600. The cubic root of 1030013197 is about 1009.9059471940.
Adding to 1030013197 its reverse (7913100301), we get a palindrome (8943113498).
The spelling of 1030013197 in words is "one billion, thirty million, thirteen thousand, one hundred ninety-seven".
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