Base | Representation |
---|---|
bin | 110000011000… |
… | …011110000011 |
3 | 212212100222220 |
4 | 300120132003 |
5 | 11221330024 |
6 | 1131502123 |
7 | 212543040 |
oct | 60303603 |
9 | 25770886 |
10 | 12683139 |
11 | 7183037 |
12 | 42b7943 |
13 | 2820c21 |
14 | 19821c7 |
15 | 11a7e79 |
hex | c18783 |
12683139 has 16 divisors (see below), whose sum is σ = 20464128. Its totient is φ = 6820992.
The previous prime is 12683137. The next prime is 12683183. The reversal of 12683139 is 93138621.
It is not a de Polignac number, because 12683139 - 21 = 12683137 is a prime.
It is a zygodrome in base 2.
It is not an unprimeable number, because it can be changed into a prime (12683137) 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, 17407 + ... + 18120.
It is an arithmetic number, because the mean of its divisors is an integer number (1279008).
Almost surely, 212683139 is an apocalyptic number.
12683139 is a deficient number, since it is larger than the sum of its proper divisors (7780989).
12683139 is a wasteful number, since it uses less digits than its factorization.
12683139 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35554.
The product of its digits is 7776, while the sum is 33.
The square root of 12683139 is about 3561.3394951900. The cubic root of 12683139 is about 233.2073589841.
The spelling of 12683139 in words is "twelve million, six hundred eighty-three thousand, one hundred thirty-nine".
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