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205441341241 is a prime number
BaseRepresentation
bin1011111101010101000…
…0100001011100111001
3201122021120010110102111
42333111100201130321
511331220440404431
6234213424532321
720562012405433
oct2772520413471
9648246113374
10205441341241
117a144310434
1233995a810a1
13164b0735516
149d2ca29653
1555260087b1
hex2fd5421739

205441341241 has 2 divisors, whose sum is σ = 205441341242. Its totient is φ = 205441341240.

The previous prime is 205441341169. The next prime is 205441341247. The reversal of 205441341241 is 142143144502.

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., 134421223225 + 71020118016 = 366635^2 + 266496^2 .

It is a cyclic number.

It is not a de Polignac number, because 205441341241 - 29 = 205441340729 is a prime.

It is a super-2 number, since 2×2054413412412 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (205441341247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102720670620 + 102720670621.

It is an arithmetic number, because the mean of its divisors is an integer number (102720670621).

Almost surely, 2205441341241 is an apocalyptic number.

It is an amenable number.

205441341241 is a deficient number, since it is larger than the sum of its proper divisors (1).

205441341241 is an equidigital number, since it uses as much as digits as its factorization.

205441341241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 205441341241 its reverse (142143144502), we get a palindrome (347584485743).

The spelling of 205441341241 in words is "two hundred five billion, four hundred forty-one million, three hundred forty-one thousand, two hundred forty-one".