Base | Representation |
---|---|
bin | 110001000000… |
… | …000000111000 |
3 | 220011121011220 |
4 | 301000000320 |
5 | 11242020422 |
6 | 1135152040 |
7 | 214116210 |
oct | 61000070 |
9 | 26147156 |
10 | 12845112 |
11 | 72837a5 |
12 | 4375620 |
13 | 2879877 |
14 | 19c5240 |
15 | 11dae5c |
hex | c40038 |
12845112 has 64 divisors (see below), whose sum is σ = 37009920. Its totient is φ = 3639168.
The previous prime is 12845101. The next prime is 12845113. The reversal of 12845112 is 21154821.
It is a super-3 number, since 3×128451123 (a number of 22 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12845113) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26133 + ... + 26619.
It is an arithmetic number, because the mean of its divisors is an integer number (578280).
Almost surely, 212845112 is an apocalyptic number.
12845112 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 12845112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18504960).
12845112 is an abundant number, since it is smaller than the sum of its proper divisors (24164808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12845112 is a wasteful number, since it uses less digits than its factorization.
12845112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 660 (or 656 counting only the distinct ones).
The product of its digits is 640, while the sum is 24.
The square root of 12845112 is about 3584.0078124915. The cubic root of 12845112 is about 234.1959057782.
Adding to 12845112 its reverse (21154821), we get a palindrome (33999933).
The spelling of 12845112 in words is "twelve million, eight hundred forty-five thousand, one hundred twelve".
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