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2215043141 is a prime number
BaseRepresentation
bin1000010000000110…
…1110000001000101
312201100222211221212
42010001232001011
514014022340031
61003444021205
7105614361503
oct20401560105
95640884855
102215043141
11a37374773
12519991805
13293b9a81c
14170275673
15ce6de12b
hex8406e045

2215043141 has 2 divisors, whose sum is σ = 2215043142. Its totient is φ = 2215043140.

The previous prime is 2215043107. The next prime is 2215043143. The reversal of 2215043141 is 1413405122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2178088900 + 36954241 = 46670^2 + 6079^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2215043141 is a prime.

It is a super-2 number, since 2×22150431412 = 9812832232982291762, which contains 22 as substring.

Together with 2215043143, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2215043143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107521570 + 1107521571.

It is an arithmetic number, because the mean of its divisors is an integer number (1107521571).

Almost surely, 22215043141 is an apocalyptic number.

It is an amenable number.

2215043141 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215043141 is an equidigital number, since it uses as much as digits as its factorization.

2215043141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2215043141 is about 47064.2448255573. The cubic root of 2215043141 is about 1303.5491067605.

Adding to 2215043141 its reverse (1413405122), we get a palindrome (3628448263).

The spelling of 2215043141 in words is "two billion, two hundred fifteen million, forty-three thousand, one hundred forty-one".