Base | Representation |
---|---|
bin | 10111110101101010… |
… | …10100100100001010 |
3 | 1020000221002202110222 |
4 | 23322311110210022 |
5 | 202202320411313 |
6 | 5513542110042 |
7 | 632103021266 |
oct | 137265244412 |
9 | 36027082428 |
10 | 12798216458 |
11 | 54782944a5 |
12 | 259211b322 |
13 | 128c641961 |
14 | 895a410a6 |
15 | 4ed894208 |
hex | 2fad5490a |
12798216458 has 8 divisors (see below), whose sum is σ = 19197857952. Its totient is φ = 6398930476.
The previous prime is 12798216451. The next prime is 12798216493. The reversal of 12798216458 is 85461289721.
12798216458 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (12798216451) 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 3 ways as a sum of consecutive naturals, for example, 36491 + ... + 164097.
It is an arithmetic number, because the mean of its divisors is an integer number (2399732244).
Almost surely, 212798216458 is an apocalyptic number.
12798216458 is a deficient number, since it is larger than the sum of its proper divisors (6399641494).
12798216458 is a wasteful number, since it uses less digits than its factorization.
12798216458 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 177756.
The product of its digits is 1935360, while the sum is 53.
The spelling of 12798216458 in words is "twelve billion, seven hundred ninety-eight million, two hundred sixteen thousand, four hundred fifty-eight".
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