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22050144452 = 2272112500737
BaseRepresentation
bin10100100010010010…
…101000000011000100
32002220201020101201202
4110202102220003010
5330124314110302
614044003042032
71410265064300
oct244222500304
962821211652
1022050144452
119395805986
124334670318
13210535b06b
1410d26b4d00
15890c36202
hex5224a80c4

22050144452 has 18 divisors (see below), whose sum is σ = 44887794462. Its totient is φ = 9450061824.

The previous prime is 22050144443. The next prime is 22050144601. The reversal of 22050144452 is 25444105022.

It can be written as a sum of positive squares in only one way, i.e., 21790483456 + 259660996 = 147616^2 + 16114^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56250173 + ... + 56250564.

It is an arithmetic number, because the mean of its divisors is an integer number (2493766359).

Almost surely, 222050144452 is an apocalyptic number.

It is an amenable number.

22050144452 is an abundant number, since it is smaller than the sum of its proper divisors (22837650010).

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

22050144452 is a wasteful number, since it uses less digits than its factorization.

22050144452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112500755 (or 112500746 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 22050144452 its reverse (25444105022), we get a palindrome (47494249474).

The spelling of 22050144452 in words is "twenty-two billion, fifty million, one hundred forty-four thousand, four hundred fifty-two".

Divisors: 1 2 4 7 14 28 49 98 196 112500737 225001474 450002948 787505159 1575010318 3150020636 5512536113 11025072226 22050144452