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225060576221 = 1321378101241
BaseRepresentation
bin1101000110011010100…
…1111101101111011101
3210111220212011212021002
43101212221331233131
512141411001414341
6251220313120045
722155132222305
oct3214651755735
9714825155232
10225060576221
11874a1912018
12377503b9025
13182b92749c0
14ac70516605
155cc361029b
hex3466a7dbdd

225060576221 has 8 divisors (see below), whose sum is σ = 242486375544. Its totient is φ = 207650983680.

The previous prime is 225060576211. The next prime is 225060576229. The reversal of 225060576221 is 122675060522.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 29573680900 + 195486895321 = 171970^2 + 442139^2 .

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 225060576221 - 210 = 225060575197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225060576229) 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, 4022840 + ... + 4078401.

It is an arithmetic number, because the mean of its divisors is an integer number (30310796943).

Almost surely, 2225060576221 is an apocalyptic number.

It is an amenable number.

225060576221 is a deficient number, since it is larger than the sum of its proper divisors (17425799323).

225060576221 is a wasteful number, since it uses less digits than its factorization.

225060576221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8103391.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 225060576221 in words is "two hundred twenty-five billion, sixty million, five hundred seventy-six thousand, two hundred twenty-one".

Divisors: 1 13 2137 27781 8101241 105316133 17312352017 225060576221