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223064424161 = 316770433983
BaseRepresentation
bin1100111110111110101…
…1001111111011100001
3210022202202001211102022
43033233223033323201
512123313443033121
6250250244431225
722054513215065
oct3175753177341
9708682054368
10223064424161
1186668063477
12372939a8515
131805b846c37
14ab2137daa5
155c0825caab
hex33efacfee1

223064424161 has 4 divisors (see below), whose sum is σ = 223134861312. Its totient is φ = 222993987012.

The previous prime is 223064424133. The next prime is 223064424199. The reversal of 223064424161 is 161424460322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 161424460322 = 280712230161.

It is a cyclic number.

It is not a de Polignac number, because 223064424161 - 214 = 223064407777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223064424101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35213825 + ... + 35220158.

It is an arithmetic number, because the mean of its divisors is an integer number (55783715328).

Almost surely, 2223064424161 is an apocalyptic number.

It is an amenable number.

223064424161 is a deficient number, since it is larger than the sum of its proper divisors (70437151).

223064424161 is an equidigital number, since it uses as much as digits as its factorization.

223064424161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70437150.

The product of its (nonzero) digits is 55296, while the sum is 35.

Adding to 223064424161 its reverse (161424460322), we get a palindrome (384488884483).

The spelling of 223064424161 in words is "two hundred twenty-three billion, sixty-four million, four hundred twenty-four thousand, one hundred sixty-one".

Divisors: 1 3167 70433983 223064424161