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2102205233 is a prime number
BaseRepresentation
bin111110101001101…
…0001101100110001
312102111200002110002
41331103101230301
513301131031413
6544333315345
7103044310142
oct17523215461
95374602402
102102205233
119897049a7
124a8035b55
132766b082b
1415d2a1ac9
15c4850958
hex7d4d1b31

2102205233 has 2 divisors, whose sum is σ = 2102205234. Its totient is φ = 2102205232.

The previous prime is 2102205191. The next prime is 2102205251. The reversal of 2102205233 is 3325022012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1524668209 + 577537024 = 39047^2 + 24032^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102205233 - 26 = 2102205169 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2102202233) 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, 1051102616 + 1051102617.

It is an arithmetic number, because the mean of its divisors is an integer number (1051102617).

Almost surely, 22102205233 is an apocalyptic number.

It is an amenable number.

2102205233 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102205233 is an equidigital number, since it uses as much as digits as its factorization.

2102205233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2102205233 is about 45849.8117008129. The cubic root of 2102205233 is about 1281.0272582437.

Adding to 2102205233 its reverse (3325022012), we get a palindrome (5427227245).

The spelling of 2102205233 in words is "two billion, one hundred two million, two hundred five thousand, two hundred thirty-three".