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11100021112 = 231387502639
BaseRepresentation
bin10100101011001110…
…01110000101111000
31001122120122111102001
422111213032011320
5140213101133422
65033235550344
7542032423405
oct122547160570
931576574361
1011100021112
114786744174
12219945b3b4
13107b87793b
147742a92ac
1544e74a227
hex2959ce178

11100021112 has 8 divisors (see below), whose sum is σ = 20812539600. Its totient is φ = 5550010552.

The previous prime is 11100021091. The next prime is 11100021137. The reversal of 11100021112 is 21112000111.

11100021112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 693751312 + ... + 693751327.

It is an arithmetic number, because the mean of its divisors is an integer number (2601567450).

Almost surely, 211100021112 is an apocalyptic number.

It is an amenable number.

11100021112 is a deficient number, since it is larger than the sum of its proper divisors (9712518488).

11100021112 is a wasteful number, since it uses less digits than its factorization.

11100021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387502645 (or 1387502641 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11100021112 its reverse (21112000111), we get a palindrome (32212021223).

The spelling of 11100021112 in words is "eleven billion, one hundred million, twenty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 1387502639 2775005278 5550010556 11100021112