Base | Representation |
---|---|
bin | 11010101011111010… |
… | …110011110011101101 |
3 | 2201221221210022221211 |
4 | 122223322303303231 |
5 | 432140423434034 |
6 | 21055153154421 |
7 | 2033035015621 |
oct | 325372636355 |
9 | 81857708854 |
10 | 28654124269 |
11 | 11174562741 |
12 | 567825ba11 |
13 | 29185b7024 |
14 | 155b7c5181 |
15 | b2a8c5d64 |
hex | 6abeb3ced |
28654124269 has 16 divisors (see below), whose sum is σ = 29484480960. Its totient is φ = 27831686400.
The previous prime is 28654124227. The next prime is 28654124327. The reversal of 28654124269 is 96242145682.
It is a cyclic number.
It is not a de Polignac number, because 28654124269 - 27 = 28654124141 is a prime.
It is a super-2 number, since 2×286541242692 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28654121269) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5980927 + ... + 5985715.
It is an arithmetic number, because the mean of its divisors is an integer number (1842780060).
Almost surely, 228654124269 is an apocalyptic number.
It is an amenable number.
28654124269 is a deficient number, since it is larger than the sum of its proper divisors (830356691).
28654124269 is a wasteful number, since it uses less digits than its factorization.
28654124269 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5580.
The product of its digits is 1658880, while the sum is 49.
The spelling of 28654124269 in words is "twenty-eight billion, six hundred fifty-four million, one hundred twenty-four thousand, two hundred sixty-nine".
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