Base | Representation |
---|---|
bin | 110000111011… |
… | …111111101011 |
3 | 220010202121020 |
4 | 300323333223 |
5 | 11241004101 |
6 | 1134543523 |
7 | 214020213 |
oct | 60737753 |
9 | 26122536 |
10 | 12828651 |
11 | 72723a0 |
12 | 4367ba3 |
13 | 2872224 |
14 | 19bd243 |
15 | 11d6136 |
hex | c3bfeb |
12828651 has 16 divisors (see below), whose sum is σ = 18812928. Its totient is φ = 7711200.
The previous prime is 12828649. The next prime is 12828661. The reversal of 12828651 is 15682821.
It is not a de Polignac number, because 12828651 - 21 = 12828649 is a prime.
It is a super-3 number, since 3×128286513 (a number of 22 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is not an unprimeable number, because it can be changed into a prime (12828601) 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, 2661 + ... + 5721.
It is an arithmetic number, because the mean of its divisors is an integer number (1175808).
Almost surely, 212828651 is an apocalyptic number.
12828651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
12828651 is a deficient number, since it is larger than the sum of its proper divisors (5984277).
12828651 is a wasteful number, since it uses less digits than its factorization.
12828651 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3202.
The product of its digits is 7680, while the sum is 33.
The square root of 12828651 is about 3581.7106248272. The cubic root of 12828651 is about 234.0958223964.
The spelling of 12828651 in words is "twelve million, eight hundred twenty-eight thousand, six hundred fifty-one".
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