Base | Representation |
---|---|
bin | 10111111001010000… |
… | …01111000011100010 |
3 | 1020010000210012211101 |
4 | 23330220033003202 |
5 | 202233023343300 |
6 | 5520535505014 |
7 | 632620044322 |
oct | 137450170342 |
9 | 36100705741 |
10 | 12828340450 |
11 | 549329a062 |
12 | 25a022816a |
13 | 129595b1c3 |
14 | 899a43282 |
15 | 501344b6a |
hex | 2fca0f0e2 |
12828340450 has 12 divisors (see below), whose sum is σ = 23860713330. Its totient is φ = 5131336160.
The previous prime is 12828340439. The next prime is 12828340463. The reversal of 12828340450 is 5404382821.
It is a happy number.
12828340450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 3 ways, for example, as 4890065041 + 7938275409 = 69929^2 + 89097^2 .
It is a super-3 number, since 3×128283404503 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is an unprimeable number.
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 5 ways as a sum of consecutive naturals, for example, 128283355 + ... + 128283454.
Almost surely, 212828340450 is an apocalyptic number.
12828340450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12828340450 is a deficient number, since it is larger than the sum of its proper divisors (11032372880).
12828340450 is a wasteful number, since it uses less digits than its factorization.
12828340450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 256566821 (or 256566816 counting only the distinct ones).
The product of its (nonzero) digits is 61440, while the sum is 37.
The spelling of 12828340450 in words is "twelve billion, eight hundred twenty-eight million, three hundred forty thousand, four hundred fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •