Base | Representation |
---|---|
bin | 1000001111101111… |
… | …1101001000100101 |
3 | 12201021011002022222 |
4 | 2003323331020211 |
5 | 14013131012242 |
6 | 1003351402125 |
7 | 105565466432 |
oct | 20373751045 |
9 | 5637132288 |
10 | 2213532197 |
11 | a36532558 |
12 | 519383345 |
13 | 29378bb86 |
14 | 16dda0b89 |
15 | ce4e15d2 |
hex | 83efd225 |
2213532197 has 2 divisors, whose sum is σ = 2213532198. Its totient is φ = 2213532196.
The previous prime is 2213532173. The next prime is 2213532263. The reversal of 2213532197 is 7912353122.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1174501441 + 1039030756 = 34271^2 + 32234^2 .
It is a cyclic number.
It is not a de Polignac number, because 2213532197 - 214 = 2213515813 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2213532127) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106766098 + 1106766099.
It is an arithmetic number, because the mean of its divisors is an integer number (1106766099).
Almost surely, 22213532197 is an apocalyptic number.
It is an amenable number.
2213532197 is a deficient number, since it is larger than the sum of its proper divisors (1).
2213532197 is an equidigital number, since it uses as much as digits as its factorization.
2213532197 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 22680, while the sum is 35.
The square root of 2213532197 is about 47048.1901564768. The cubic root of 2213532197 is about 1303.2526433534.
The spelling of 2213532197 in words is "two billion, two hundred thirteen million, five hundred thirty-two thousand, one hundred ninety-seven".
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