Base | Representation |
---|---|
bin | 110000010111… |
… | …111011101110 |
3 | 212212020222112 |
4 | 300113323232 |
5 | 11221242232 |
6 | 1131444022 |
7 | 212533451 |
oct | 60277356 |
9 | 25766875 |
10 | 12680942 |
11 | 718141a |
12 | 42b6612 |
13 | 281cc21 |
14 | 1981498 |
15 | 11a74b2 |
hex | c17eee |
12680942 has 16 divisors (see below), whose sum is σ = 20106240. Its totient is φ = 5981688.
The previous prime is 12680933. The next prime is 12680959. The reversal of 12680942 is 24908621.
It is a junction number, because it is equal to n+sod(n) for n = 12680899 and 12680908.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11123 + ... + 12209.
It is an arithmetic number, because the mean of its divisors is an integer number (1256640).
Almost surely, 212680942 is an apocalyptic number.
12680942 is a deficient number, since it is larger than the sum of its proper divisors (7425298).
12680942 is a wasteful number, since it uses less digits than its factorization.
12680942 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1415.
The product of its (nonzero) digits is 6912, while the sum is 32.
The square root of 12680942 is about 3561.0310304742. The cubic root of 12680942 is about 233.1938926502.
The spelling of 12680942 in words is "twelve million, six hundred eighty thousand, nine hundred forty-two".
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