Search a number
-
+
44122234181 is a prime number
BaseRepresentation
bin101001000101111000…
…111101110101000101
311012212221202201201112
4221011320331311011
51210330242443211
632134112334405
73121250542154
oct510570756505
9135787681645
1044122234181
111779193a653
128674544405
134212100a9c
1421c7c5d59b
15123385488b
hexa45e3dd45

44122234181 has 2 divisors, whose sum is σ = 44122234182. Its totient is φ = 44122234180.

The previous prime is 44122234159. The next prime is 44122234193. The reversal of 44122234181 is 18143222144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30981280225 + 13140953956 = 176015^2 + 114634^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-44122234181 is a prime.

It is a super-2 number, since 2×441222341812 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44122234141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22061117090 + 22061117091.

It is an arithmetic number, because the mean of its divisors is an integer number (22061117091).

Almost surely, 244122234181 is an apocalyptic number.

It is an amenable number.

44122234181 is a deficient number, since it is larger than the sum of its proper divisors (1).

44122234181 is an equidigital number, since it uses as much as digits as its factorization.

44122234181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12288, while the sum is 32.

The spelling of 44122234181 in words is "forty-four billion, one hundred twenty-two million, two hundred thirty-four thousand, one hundred eighty-one".