Base | Representation |
---|---|
bin | 10110110000001111… |
… | …01000011111001001 |
3 | 1011112100012122121212 |
4 | 23120013220133021 |
5 | 200004222022324 |
6 | 5340055142505 |
7 | 611501464223 |
oct | 133007503711 |
9 | 34470178555 |
10 | 12215814089 |
11 | 51a9565a26 |
12 | 244b074a35 |
13 | 11c8a97b7b |
14 | 83c559413 |
15 | 4b76a070e |
hex | 2d81e87c9 |
12215814089 has 16 divisors (see below), whose sum is σ = 12778967040. Its totient is φ = 11663617680.
The previous prime is 12215814041. The next prime is 12215814103. The reversal of 12215814089 is 98041851221.
12215814089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 12215814089 - 28 = 12215813833 is a prime.
It is a super-2 number, since 2×122158140892 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12214814089) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2207444 + ... + 2212970.
It is an arithmetic number, because the mean of its divisors is an integer number (798685440).
Almost surely, 212215814089 is an apocalyptic number.
It is an amenable number.
12215814089 is a deficient number, since it is larger than the sum of its proper divisors (563152951).
12215814089 is an equidigital number, since it uses as much as digits as its factorization.
12215814089 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6500.
The product of its (nonzero) digits is 46080, while the sum is 41.
The spelling of 12215814089 in words is "twelve billion, two hundred fifteen million, eight hundred fourteen thousand, eighty-nine".
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