Search a number
-
+
3225002500660 = 225381389422797
BaseRepresentation
bin101110111011100001001…
…000001110001000110100
3102102022021222011121000111
4232323201020032020310
5410314301120010120
610505313511552404
7451666365646033
oct56734110161064
912368258147014
103225002500660
111033796921766
1244103a98b704
131a5168a4c865
14b213b81271a
1558d52bd175a
hex2eee120e234

3225002500660 has 24 divisors (see below), whose sum is σ = 6772539027240. Its totient is φ = 1289994566784.

The previous prime is 3225002500609. The next prime is 3225002500669. The reversal of 3225002500660 is 660052005223.

It can be written as a sum of positive squares in 4 ways, for example, as 4922986896 + 3220079513764 = 70164^2 + 1794458^2 .

It is a super-2 number, since 2×32250025006602 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3225002500669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7416382 + ... + 7839178.

It is an arithmetic number, because the mean of its divisors is an integer number (282189126135).

Almost surely, 23225002500660 is an apocalyptic number.

It is an amenable number.

3225002500660 is an abundant number, since it is smaller than the sum of its proper divisors (3547536526580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3225002500660 is a wasteful number, since it uses less digits than its factorization.

3225002500660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804195 (or 804193 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 3225002500660 its reverse (660052005223), we get a palindrome (3885054505883).

The spelling of 3225002500660 in words is "three trillion, two hundred twenty-five billion, two million, five hundred thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 381389 422797 762778 845594 1525556 1691188 1906945 2113985 3813890 4227970 7627780 8455940 161250125033 322500250066 645000500132 806250625165 1612501250330 3225002500660