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2183442061 is a prime number
BaseRepresentation
bin1000001000100100…
…1010111010001101
312122011112100102111
42002021022322031
513432430121221
61000354424021
7105051644203
oct20211127215
95564470374
102183442061
11a20550379
1250b292011
1328a484b68
14169dab073
15cba4abe1
hex8224ae8d

2183442061 has 2 divisors, whose sum is σ = 2183442062. Its totient is φ = 2183442060.

The previous prime is 2183442047. The next prime is 2183442091. The reversal of 2183442061 is 1602443812.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2112781225 + 70660836 = 45965^2 + 8406^2 .

It is a cyclic number.

It is not a de Polignac number, because 2183442061 - 27 = 2183441933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2183442091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1091721030 + 1091721031.

It is an arithmetic number, because the mean of its divisors is an integer number (1091721031).

Almost surely, 22183442061 is an apocalyptic number.

It is an amenable number.

2183442061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2183442061 is an equidigital number, since it uses as much as digits as its factorization.

2183442061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 2183442061 is about 46727.3160046669. The cubic root of 2183442061 is about 1297.3203305307.

Adding to 2183442061 its reverse (1602443812), we get a palindrome (3785885873).

The spelling of 2183442061 in words is "two billion, one hundred eighty-three million, four hundred forty-two thousand, sixty-one".