Search a number
-
+
244706533620181 is a prime number
BaseRepresentation
bin110111101000111100101110…
…000000101011100111010101
31012002102201100001220110111121
4313220330232000223213111
5224033232440101321211
62224240343555203541
7102354315011150353
oct6750745600534725
91162381301813447
10244706533620181
1170a75504819186
1223541922ba65b1
13a67095b5b1839
14445dc0637a7d3
151d455a2711271
hexde8f2e02b9d5

244706533620181 has 2 divisors, whose sum is σ = 244706533620182. Its totient is φ = 244706533620180.

The previous prime is 244706533620151. The next prime is 244706533620229. The reversal of 244706533620181 is 181026335607442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177198454951281 + 67508078668900 = 13311591^2 + 8216330^2 .

It is a cyclic number.

It is not a de Polignac number, because 244706533620181 - 211 = 244706533618133 is a prime.

It is a super-2 number, since 2×2447065336201812 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244706533620151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122353266810090 + 122353266810091.

It is an arithmetic number, because the mean of its divisors is an integer number (122353266810091).

Almost surely, 2244706533620181 is an apocalyptic number.

It is an amenable number.

244706533620181 is a deficient number, since it is larger than the sum of its proper divisors (1).

244706533620181 is an equidigital number, since it uses as much as digits as its factorization.

244706533620181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5806080, while the sum is 52.

The spelling of 244706533620181 in words is "two hundred forty-four trillion, seven hundred six billion, five hundred thirty-three million, six hundred twenty thousand, one hundred eighty-one".