Base | Representation |
---|---|
bin | 101110001100… |
… | …001110111101 |
3 | 211210012001121 |
4 | 232030032331 |
5 | 11044434413 |
6 | 1111310541 |
7 | 204631300 |
oct | 56141675 |
9 | 24705047 |
10 | 12108733 |
11 | 692051a |
12 | 407b451 |
13 | 267c640 |
14 | 1872b37 |
15 | 10e2b8d |
hex | b8c3bd |
12108733 has 12 divisors (see below), whose sum is σ = 15169980. Its totient is φ = 9580032.
The previous prime is 12108727. The next prime is 12108737. The reversal of 12108733 is 33780121.
It can be written as a sum of positive squares in 2 ways, for example, as 5968249 + 6140484 = 2443^2 + 2478^2 .
It is not a de Polignac number, because 12108733 - 213 = 12100541 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12108698 and 12108707.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12108737) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8868 + ... + 10141.
It is an arithmetic number, because the mean of its divisors is an integer number (1264165).
Almost surely, 212108733 is an apocalyptic number.
12108733 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
12108733 is a deficient number, since it is larger than the sum of its proper divisors (3061247).
12108733 is a wasteful number, since it uses less digits than its factorization.
12108733 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19036 (or 19029 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 25.
The square root of 12108733 is about 3479.7604802630. The cubic root of 12108733 is about 229.6322604878.
Adding to 12108733 its reverse (33780121), we get a palindrome (45888854).
The spelling of 12108733 in words is "twelve million, one hundred eight thousand, seven hundred thirty-three".
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