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1244333141 is a prime number
BaseRepresentation
bin100101000101011…
…0000010001010101
310012201102200011122
41022022300101111
510022022130031
6323250213325
742556441262
oct11212602125
93181380148
101244333141
115894369a7
122a8884245
1316aa473cc
14bb390269
157439647b
hex4a2b0455

1244333141 has 2 divisors, whose sum is σ = 1244333142. Its totient is φ = 1244333140.

The previous prime is 1244333089. The next prime is 1244333177. The reversal of 1244333141 is 1413334421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 926958916 + 317374225 = 30446^2 + 17815^2 .

It is an emirp because it is prime and its reverse (1413334421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1244333141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1244333141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1244393141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622166570 + 622166571.

It is an arithmetic number, because the mean of its divisors is an integer number (622166571).

Almost surely, 21244333141 is an apocalyptic number.

It is an amenable number.

1244333141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244333141 is an equidigital number, since it uses as much as digits as its factorization.

1244333141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 26.

The square root of 1244333141 is about 35275.1065342119. The cubic root of 1244333141 is about 1075.5870285069.

Adding to 1244333141 its reverse (1413334421), we get a palindrome (2657667562).

The spelling of 1244333141 in words is "one billion, two hundred forty-four million, three hundred thirty-three thousand, one hundred forty-one".