Base | Representation |
---|---|
bin | 10100111000100100… |
… | …11011001010000000 |
3 | 1001221101101010102210 |
4 | 22130102123022000 |
5 | 140430233310422 |
6 | 5052320142120 |
7 | 544562341062 |
oct | 123422331200 |
9 | 31841333383 |
10 | 11212010112 |
11 | 4833984166 |
12 | 220aa67940 |
13 | 1098b28414 |
14 | 7850db732 |
15 | 4594bc10c |
hex | 29c49b280 |
11212010112 has 64 divisors (see below), whose sum is σ = 29948464800. Its totient is φ = 3716434944.
The previous prime is 11212010057. The next prime is 11212010171. The reversal of 11212010112 is 21101021211.
It is a tau number, because it is divible by the number of its divisors (64).
It is a Harshad number since it is a multiple of its sum of digits (12).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12823 + ... + 150294.
Almost surely, 211212010112 is an apocalyptic number.
11212010112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 11212010112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14974232400).
11212010112 is an abundant number, since it is smaller than the sum of its proper divisors (18736454688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11212010112 is a wasteful number, since it uses less digits than its factorization.
11212010112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 163313 (or 163301 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 12.
Adding to 11212010112 its reverse (21101021211), we get a palindrome (32313031323).
The spelling of 11212010112 in words is "eleven billion, two hundred twelve million, ten thousand, one hundred twelve".
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