Base | Representation |
---|---|
bin | 10111011110101100… |
… | …11110011000100110 |
3 | 1012112111121212002101 |
4 | 23233112132120212 |
5 | 201304012041323 |
6 | 5442501202314 |
7 | 624243445354 |
oct | 135726363046 |
9 | 35474555071 |
10 | 12605580838 |
11 | 5389581504 |
12 | 253970039a |
13 | 125b765696 |
14 | 8782187d4 |
15 | 4db9e1dad |
hex | 2ef59e626 |
12605580838 has 8 divisors (see below), whose sum is σ = 19419408432. Its totient is φ = 6132444696.
The previous prime is 12605580803. The next prime is 12605580839. The reversal of 12605580838 is 83808550621.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12605580839) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85172770 + ... + 85172917.
It is an arithmetic number, because the mean of its divisors is an integer number (2427426054).
Almost surely, 212605580838 is an apocalyptic number.
12605580838 is a deficient number, since it is larger than the sum of its proper divisors (6813827594).
12605580838 is a wasteful number, since it uses less digits than its factorization.
12605580838 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 170345726.
The product of its (nonzero) digits is 460800, while the sum is 46.
The spelling of 12605580838 in words is "twelve billion, six hundred five million, five hundred eighty thousand, eight hundred thirty-eight".
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