Base | Representation |
---|---|
bin | 110000001110… |
… | …010001010000 |
3 | 212210020200112 |
4 | 300032101100 |
5 | 11214010420 |
6 | 1130540452 |
7 | 212310164 |
oct | 60162120 |
9 | 25706615 |
10 | 12641360 |
11 | 7154706 |
12 | 4297728 |
13 | 2807bc4 |
14 | 1970ca4 |
15 | 119a8c5 |
hex | c0e450 |
12641360 has 20 divisors (see below), whose sum is σ = 29391348. Its totient is φ = 5056512.
The previous prime is 12641357. The next prime is 12641371. The reversal of 12641360 is 6314621.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 6210064 + 6431296 = 2492^2 + 2536^2 .
It is a tau number, because it is divible by the number of its divisors (20).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78929 + ... + 79088.
Almost surely, 212641360 is an apocalyptic number.
12641360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12641360 is an abundant number, since it is smaller than the sum of its proper divisors (16749988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12641360 is a wasteful number, since it uses less digits than its factorization.
12641360 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 158030 (or 158024 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 23.
The square root of 12641360 is about 3555.4690267249. The cubic root of 12641360 is about 232.9510110862.
Adding to 12641360 its reverse (6314621), we get a palindrome (18955981).
The spelling of 12641360 in words is "twelve million, six hundred forty-one thousand, three hundred sixty".
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