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2205142271 is a prime number
BaseRepresentation
bin1000001101101111…
…1100110011111111
312200200100211111222
42003123330303333
514004004023041
61002451503555
7105434254133
oct20333746377
95620324458
102205142271
11a31822032
125165b7bbb
13291b12117
1416cc193c3
15cd8d574b
hex836fccff

2205142271 has 2 divisors, whose sum is σ = 2205142272. Its totient is φ = 2205142270.

The previous prime is 2205142213. The next prime is 2205142417. The reversal of 2205142271 is 1722415022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2205142271 - 230 = 1131400447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2205142271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2205142201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1102571135 + 1102571136.

It is an arithmetic number, because the mean of its divisors is an integer number (1102571136).

Almost surely, 22205142271 is an apocalyptic number.

2205142271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2205142271 is an equidigital number, since it uses as much as digits as its factorization.

2205142271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 2205142271 is about 46958.9423965234. The cubic root of 2205142271 is about 1301.6039907311.

Adding to 2205142271 its reverse (1722415022), we get a palindrome (3927557293).

The spelling of 2205142271 in words is "two billion, two hundred five million, one hundred forty-two thousand, two hundred seventy-one".