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2143204201 is a prime number
BaseRepresentation
bin111111110111110…
…1011001101101001
312112100211001110101
41333233223031221
513342130013301
6552400145401
7104052635515
oct17757531551
95470731411
102143204201
119aa868046
124b9908261
13282036c88
141648d5145
15c824d701
hex7fbeb369

2143204201 has 2 divisors, whose sum is σ = 2143204202. Its totient is φ = 2143204200.

The previous prime is 2143204187. The next prime is 2143204289. The reversal of 2143204201 is 1024023412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1908379225 + 234824976 = 43685^2 + 15324^2 .

It is a cyclic number.

It is not a de Polignac number, because 2143204201 - 211 = 2143202153 is a prime.

It is not a weakly prime, because it can be changed into another prime (2143204291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071602100 + 1071602101.

It is an arithmetic number, because the mean of its divisors is an integer number (1071602101).

Almost surely, 22143204201 is an apocalyptic number.

It is an amenable number.

2143204201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143204201 is an equidigital number, since it uses as much as digits as its factorization.

2143204201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2143204201 is about 46294.7534932415. The cubic root of 2143204201 is about 1289.3015871703.

Adding to 2143204201 its reverse (1024023412), we get a palindrome (3167227613).

The spelling of 2143204201 in words is "two billion, one hundred forty-three million, two hundred four thousand, two hundred one".