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44424240181 is a prime number
BaseRepresentation
bin101001010111111001…
…000001110000110101
311020200000001020001221
4221113321001300311
51211440101141211
632224101350341
73131605545136
oct512771016065
9136600036057
1044424240181
1117927364192
1287397083b1
13425c851969
142215dd5c8d
15125010cc71
hexa57e41c35

44424240181 has 2 divisors, whose sum is σ = 44424240182. Its totient is φ = 44424240180.

The previous prime is 44424240163. The next prime is 44424240269. The reversal of 44424240181 is 18104242444.

44424240181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44419356081 + 4884100 = 210759^2 + 2210^2 .

It is a cyclic number.

It is not a de Polignac number, because 44424240181 - 29 = 44424239669 is a prime.

It is a super-2 number, since 2×444242401812 (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 (44424240101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22212120090 + 22212120091.

It is an arithmetic number, because the mean of its divisors is an integer number (22212120091).

Almost surely, 244424240181 is an apocalyptic number.

It is an amenable number.

44424240181 is a deficient number, since it is larger than the sum of its proper divisors (1).

44424240181 is an equidigital number, since it uses as much as digits as its factorization.

44424240181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32768, while the sum is 34.

The spelling of 44424240181 in words is "forty-four billion, four hundred twenty-four million, two hundred forty thousand, one hundred eighty-one".