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11123300440 = 235739726073
BaseRepresentation
bin10100101110000000…
…00001100001011000
31001201012110012122101
422113000001201120
5140240031103230
65035430533144
7542434331230
oct122700014130
931635405571
1011123300440
1147988a428a
1221a52071b4
1310836388a5
14777408cc0
154517e7aca
hex297001858

11123300440 has 32 divisors (see below), whose sum is σ = 28602773280. Its totient is φ = 3813702912.

The previous prime is 11123300437. The next prime is 11123300477. The reversal of 11123300440 is 4400332111.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 19862757 + ... + 19863316.

It is an arithmetic number, because the mean of its divisors is an integer number (893836665).

Almost surely, 211123300440 is an apocalyptic number.

11123300440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11123300440 is an abundant number, since it is smaller than the sum of its proper divisors (17479472840).

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

11123300440 is a wasteful number, since it uses less digits than its factorization.

11123300440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39726091 (or 39726087 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11123300440 its reverse (4400332111), we get a palindrome (15523632551).

It can be divided in two parts, 111 and 23300440, that added together give a triangular number (23300551 = T6826).

The spelling of 11123300440 in words is "eleven billion, one hundred twenty-three million, three hundred thousand, four hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 39726073 79452146 158904292 198630365 278082511 317808584 397260730 556165022 794521460 1112330044 1390412555 1589042920 2224660088 2780825110 5561650220 11123300440