Base | Representation |
---|---|
bin | 10111111001001110… |
… | …11111000001010001 |
3 | 1020010000102012221020 |
4 | 23330213133001101 |
5 | 202233001044242 |
6 | 5520531350053 |
7 | 632615264565 |
oct | 137447370121 |
9 | 36100365836 |
10 | 12828143697 |
11 | 5493175256 |
12 | 25a0152329 |
13 | 12958bc795 |
14 | 8999d16a5 |
15 | 5013066ec |
hex | 2fc9df051 |
12828143697 has 8 divisors (see below), whose sum is σ = 17655939840. Its totient is φ = 8276221680.
The previous prime is 12828143687. The next prime is 12828143701. The reversal of 12828143697 is 79634182821.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12828143697 - 211 = 12828141649 is a prime.
It is a super-3 number, since 3×128281436973 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (12828143687) 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, 68968422 + ... + 68968607.
It is an arithmetic number, because the mean of its divisors is an integer number (2206992480).
Almost surely, 212828143697 is an apocalyptic number.
It is an amenable number.
12828143697 is a deficient number, since it is larger than the sum of its proper divisors (4827796143).
12828143697 is a wasteful number, since it uses less digits than its factorization.
12828143697 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 137937063.
The product of its digits is 1161216, while the sum is 51.
The spelling of 12828143697 in words is "twelve billion, eight hundred twenty-eight million, one hundred forty-three thousand, six hundred ninety-seven".
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