Base | Representation |
---|---|
bin | 10111000100100000… |
… | …10001011110011001 |
3 | 1011222012011102210221 |
4 | 23202100101132121 |
5 | 200331234220124 |
6 | 5405011440041 |
7 | 615634666420 |
oct | 134220213631 |
9 | 34865142727 |
10 | 12385851289 |
11 | 5286543439 |
12 | 2497bb6021 |
13 | 12250910b6 |
14 | 856d7c2b7 |
15 | 4c758bce4 |
hex | 2e2411799 |
12385851289 has 8 divisors (see below), whose sum is σ = 14176941120. Its totient is φ = 10600182096.
The previous prime is 12385851281. The next prime is 12385851293. The reversal of 12385851289 is 98215858321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12385851289 - 23 = 12385851281 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12385851281) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1350259 + ... + 1359400.
It is an arithmetic number, because the mean of its divisors is an integer number (1772117640).
Almost surely, 212385851289 is an apocalyptic number.
It is an amenable number.
12385851289 is a deficient number, since it is larger than the sum of its proper divisors (1791089831).
12385851289 is an equidigital number, since it uses as much as digits as its factorization.
12385851289 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2710319.
The product of its digits is 1382400, while the sum is 52.
The spelling of 12385851289 in words is "twelve billion, three hundred eighty-five million, eight hundred fifty-one thousand, two hundred eighty-nine".
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