Base | Representation |
---|---|
bin | 101110110001… |
… | …011111111000 |
3 | 212001221102202 |
4 | 232301133320 |
5 | 11114330433 |
6 | 1114445332 |
7 | 206135300 |
oct | 56613770 |
9 | 25057382 |
10 | 12261368 |
11 | 6a15169 |
12 | 4133848 |
13 | 2703c62 |
14 | 18b2600 |
15 | 1122ee8 |
hex | bb17f8 |
12261368 has 48 divisors (see below), whose sum is σ = 27633600. Its totient is φ = 5080320.
The previous prime is 12261331. The next prime is 12261371. The reversal of 12261368 is 86316221.
It is a super-2 number, since 2×122613682 = 300682290462848, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 12261368.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11648 + ... + 12656.
It is an arithmetic number, because the mean of its divisors is an integer number (575700).
Almost surely, 212261368 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12261368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13816800).
12261368 is an abundant number, since it is smaller than the sum of its proper divisors (15372232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12261368 is a wasteful number, since it uses less digits than its factorization.
12261368 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1060 (or 1049 counting only the distinct ones).
The product of its digits is 3456, while the sum is 29.
The square root of 12261368 is about 3501.6236234067. The cubic root of 12261368 is about 230.5931006376.
Adding to 12261368 its reverse (86316221), we get a palindrome (98577589).
The spelling of 12261368 in words is "twelve million, two hundred sixty-one thousand, three hundred sixty-eight".
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