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229530665444 = 2257382666361
BaseRepresentation
bin1101010111000100011…
…0000000000111100100
3210221110101102220220012
43111301012000013210
512230034322243234
6253240034425352
722403661315353
oct3256106000744
9727411386805
10229530665444
1189386093233
1238599432258
131884c3a8002
14b17607799a
155e85c910ce
hex35711801e4

229530665444 has 6 divisors (see below), whose sum is σ = 401678664534. Its totient is φ = 114765332720.

The previous prime is 229530665437. The next prime is 229530665453. The reversal of 229530665444 is 444566035922.

It can be written as a sum of positive squares in only one way, i.e., 212594766400 + 16935899044 = 461080^2 + 130138^2 .

It is a junction number, because it is equal to n+sod(n) for n = 229530665392 and 229530665401.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28691333177 + ... + 28691333184.

It is an arithmetic number, because the mean of its divisors is an integer number (66946444089).

Almost surely, 2229530665444 is an apocalyptic number.

It is an amenable number.

229530665444 is a deficient number, since it is larger than the sum of its proper divisors (172147999090).

229530665444 is a wasteful number, since it uses less digits than its factorization.

229530665444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57382666365 (or 57382666363 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 50.

The spelling of 229530665444 in words is "two hundred twenty-nine billion, five hundred thirty million, six hundred sixty-five thousand, four hundred forty-four".

Divisors: 1 2 4 57382666361 114765332722 229530665444