Search a number
-
+
221243310333041 = 2801209597376853
BaseRepresentation
bin110010010011100000111000…
…111010111101110001110001
31002000100122122200211112221112
4302103200320322331301301
5212444322244421124131
62102313435035003105
764413205322653133
oct6223407072756161
91060318580745845
10221243310333041
1164549840977747
1220992528b99495
13965b20199c4c9
143c8c33a483053
151a8a0a603c02b
hexc93838ebdc71

221243310333041 has 8 divisors (see below), whose sum is σ = 221323940826984. Its totient is φ = 221162681017600.

The previous prime is 221243310333029. The next prime is 221243310333091. The reversal of 221243310333041 is 140333013342122.

It can be written as a sum of positive squares in 4 ways, for example, as 78894453885025 + 142348856448016 = 8882255^2 + 11931004^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221243310333041 - 214 = 221243310316657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221243310332989 and 221243310333007.

It is not an unprimeable number, because it can be changed into a prime (221243310333091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 586892771 + ... + 587269623.

It is an arithmetic number, because the mean of its divisors is an integer number (27665492603373).

Almost surely, 2221243310333041 is an apocalyptic number.

It is an amenable number.

221243310333041 is a deficient number, since it is larger than the sum of its proper divisors (80630493943).

221243310333041 is a wasteful number, since it uses less digits than its factorization.

221243310333041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589251.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 221243310333041 its reverse (140333013342122), we get a palindrome (361576323675163).

The spelling of 221243310333041 in words is "two hundred twenty-one trillion, two hundred forty-three billion, three hundred ten million, three hundred thirty-three thousand, forty-one".

Divisors: 1 2801 209597 376853 587081197 1055565253 78987258241 221243310333041