Base | Representation |
---|---|
bin | 10110111101111000… |
… | …00001110010100011 |
3 | 1011211022110200202121 |
4 | 23132330001302203 |
5 | 200223013300030 |
6 | 5355303125111 |
7 | 614361035305 |
oct | 133674016243 |
9 | 34738420677 |
10 | 12330212515 |
11 | 52580a1185 |
12 | 2481443797 |
13 | 12166b024a |
14 | 84d817975 |
15 | 4c274b47a |
hex | 2def01ca3 |
12330212515 has 16 divisors (see below), whose sum is σ = 15009748416. Its totient is φ = 9721936000.
The previous prime is 12330212473. The next prime is 12330212537. The reversal of 12330212515 is 51521203321.
It is not a de Polignac number, because 12330212515 - 233 = 3740277923 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12330212515.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2017965 + ... + 2024065.
It is an arithmetic number, because the mean of its divisors is an integer number (938109276).
Almost surely, 212330212515 is an apocalyptic number.
12330212515 is a deficient number, since it is larger than the sum of its proper divisors (2679535901).
12330212515 is an equidigital number, since it uses as much as digits as its factorization.
12330212515 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11870.
The product of its (nonzero) digits is 1800, while the sum is 25.
Adding to 12330212515 its reverse (51521203321), we get a palindrome (63851415836).
The spelling of 12330212515 in words is "twelve billion, three hundred thirty million, two hundred twelve thousand, five hundred fifteen".
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