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11223140225 = 5211211332833
BaseRepresentation
bin10100111001111001…
…11000011110000001
31001222011022121002012
422130330320132001
5140441110441400
65053354502305
7545056055303
oct123474703601
931864277065
1011223140225
11483a196400
122212734995
13109b22449b
14786797973
1545a469d35
hex29cf38781

11223140225 has 36 divisors (see below), whose sum is σ = 15432702348. Its totient is φ = 8089804800.

The previous prime is 11223140219. The next prime is 11223140233. The reversal of 11223140225 is 52204132211.

11223140225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 1664558401 + 9558581824 = 40799^2 + 97768^2 .

It is not a de Polignac number, because 11223140225 - 26 = 11223140161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11223140225.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 325409 + ... + 358241.

Almost surely, 211223140225 is an apocalyptic number.

It is an amenable number.

11223140225 is a deficient number, since it is larger than the sum of its proper divisors (4209562123).

11223140225 is a wasteful number, since it uses less digits than its factorization.

11223140225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32978 (or 32962 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 11223140225 its reverse (52204132211), we get a palindrome (63427272436).

The spelling of 11223140225 in words is "eleven billion, two hundred twenty-three million, one hundred forty thousand, two hundred twenty-five".

Divisors: 1 5 11 25 55 113 121 275 565 605 1243 2825 3025 6215 13673 31075 32833 68365 164165 341825 361163 820825 1805815 3710129 3972793 9029075 18550645 19863965 40811419 92753225 99319825 204057095 448925609 1020285475 2244628045 11223140225