Base | Representation |
---|---|
bin | 10110100010110010… |
… | …10010111111010000 |
3 | 1011020110221022102120 |
4 | 23101121102333100 |
5 | 144241332112422 |
6 | 5320545214240 |
7 | 605631560163 |
oct | 132131227720 |
9 | 34213838376 |
10 | 12103004112 |
11 | 5150915141 |
12 | 2419331380 |
13 | 11ab5ba7c4 |
14 | 82b591ada |
15 | 4ac81a45c |
hex | 2d1652fd0 |
12103004112 has 20 divisors (see below), whose sum is σ = 31266094080. Its totient is φ = 4034334688.
The previous prime is 12103004107. The next prime is 12103004131. The reversal of 12103004112 is 21140030121.
12103004112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 12103004091 and 12103004100.
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, 126072912 + ... + 126073007.
It is an arithmetic number, because the mean of its divisors is an integer number (1563304704).
Almost surely, 212103004112 is an apocalyptic number.
12103004112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12103004112 is an abundant number, since it is smaller than the sum of its proper divisors (19163089968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12103004112 is a wasteful number, since it uses less digits than its factorization.
12103004112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 252145930 (or 252145924 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 12103004112 its reverse (21140030121), we get a palindrome (33243034233).
The spelling of 12103004112 in words is "twelve billion, one hundred three million, four thousand, one hundred twelve".
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