Base | Representation |
---|---|
bin | 10111111101000001… |
… | …01000001111101101 |
3 | 1020012020011122122021 |
4 | 23332200220033231 |
5 | 202314113312114 |
6 | 5524024150141 |
7 | 633452232322 |
oct | 137640501755 |
9 | 36166148567 |
10 | 12859900909 |
11 | 54aa095989 |
12 | 25aa908351 |
13 | 129c35b52b |
14 | 89dcdab49 |
15 | 503ecb024 |
hex | 2fe8283ed |
12859900909 has 8 divisors (see below), whose sum is σ = 13195638720. Its totient is φ = 12525830016.
The previous prime is 12859900883. The next prime is 12859900927. The reversal of 12859900909 is 90900995821.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12859900909 - 25 = 12859900877 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12859903909) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401092 + ... + 431965.
It is an arithmetic number, because the mean of its divisors is an integer number (1649454840).
Almost surely, 212859900909 is an apocalyptic number.
It is an amenable number.
12859900909 is a deficient number, since it is larger than the sum of its proper divisors (335737811).
12859900909 is an equidigital number, since it uses as much as digits as its factorization.
12859900909 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 833459.
The product of its (nonzero) digits is 524880, while the sum is 52.
The spelling of 12859900909 in words is "twelve billion, eight hundred fifty-nine million, nine hundred thousand, nine hundred nine".
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