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11102012120 = 235277550303
BaseRepresentation
bin10100101011011101…
…10100001011011000
31001122201101122120002
422111232310023120
5140214103341440
65033350352132
7542055355163
oct122556641330
931581348502
1011102012120
114787884031
12219a05b648
13107c0c3c54
14774666ada
1544e9e0115
hex295bb42d8

11102012120 has 16 divisors (see below), whose sum is σ = 24979527360. Its totient is φ = 4440804832.

The previous prime is 11102012111. The next prime is 11102012137. The reversal of 11102012120 is 2121020111.

11102012120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×111020121202 (a number of 21 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 138775112 + ... + 138775191.

It is an arithmetic number, because the mean of its divisors is an integer number (1561220460).

Almost surely, 211102012120 is an apocalyptic number.

11102012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11102012120 is an abundant number, since it is smaller than the sum of its proper divisors (13877515240).

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

11102012120 is a wasteful number, since it uses less digits than its factorization.

11102012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277550314 (or 277550310 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11102012120 its reverse (2121020111), we get a palindrome (13223032231).

The spelling of 11102012120 in words is "eleven billion, one hundred two million, twelve thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 277550303 555100606 1110201212 1387751515 2220402424 2775503030 5551006060 11102012120