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BaseRepresentation
bin111101100011011111111…
…001111000010010110101
3112222101101021101022200112
4331203133321320102311
51023301022100424341
612555123120352405
7614415310253123
oct75433771702265
915871337338615
104230004311221
111390a31180997
12583977a75705
13248b7035c100
14108a3a26c913
157507360aaeb
hex3d8dfe784b5

4230004311221 has 12 divisors (see below), whose sum is σ = 4849855276932. Its totient is φ = 3674935869696.

The previous prime is 4230004311209. The next prime is 4230004311227. The reversal of 4230004311221 is 1221134000324.

It can be written as a sum of positive squares in 6 ways, for example, as 2399530225 + 4227604780996 = 48985^2 + 2056114^2 .

It is not a de Polignac number, because 4230004311221 - 222 = 4230000116917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4230004311227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 736162166 + ... + 736167911.

It is an arithmetic number, because the mean of its divisors is an integer number (404154606411).

Almost surely, 24230004311221 is an apocalyptic number.

It is an amenable number.

4230004311221 is a deficient number, since it is larger than the sum of its proper divisors (619850965711).

4230004311221 is a wasteful number, since it uses less digits than its factorization.

4230004311221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472330120 (or 1472330107 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 4230004311221 its reverse (1221134000324), we get a palindrome (5451138311545).

The spelling of 4230004311221 in words is "four trillion, two hundred thirty billion, four million, three hundred eleven thousand, two hundred twenty-one".