Base | Representation |
---|---|
bin | 110000110001… |
… | …010101111000 |
3 | 220001112202010 |
4 | 300301111320 |
5 | 11233110031 |
6 | 1134005520 |
7 | 213446046 |
oct | 60612570 |
9 | 26045663 |
10 | 12785016 |
11 | 7242632 |
12 | 43468a0 |
13 | 28583ca |
14 | 19ab396 |
15 | 11c8246 |
hex | c31578 |
12785016 has 16 divisors (see below), whose sum is σ = 31962600. Its totient is φ = 4261664.
The previous prime is 12785011. The next prime is 12785021. The reversal of 12785016 is 61058721.
It is an interprime number because it is at equal distance from previous prime (12785011) and next prime (12785021).
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12785011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266331 + ... + 266378.
Almost surely, 212785016 is an apocalyptic number.
It is an amenable number.
12785016 is an abundant number, since it is smaller than the sum of its proper divisors (19177584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12785016 is a wasteful number, since it uses less digits than its factorization.
12785016 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 532718 (or 532714 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 30.
The square root of 12785016 is about 3575.6140731349. The cubic root of 12785016 is about 233.8301053293.
The spelling of 12785016 in words is "twelve million, seven hundred eighty-five thousand, sixteen".
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