Base | Representation |
---|---|
bin | 11010100001101101… |
… | …001001000001100111 |
3 | 2201112000100120201100 |
4 | 122201231021001213 |
5 | 431313042101444 |
6 | 21030152331143 |
7 | 2025554353566 |
oct | 324155110147 |
9 | 81460316640 |
10 | 28482768999 |
11 | 11096864a13 |
12 | 562a9a3ab3 |
13 | 28bbc4bb89 |
14 | 1542b3bbdd |
15 | b1a828e69 |
hex | 6a1b49067 |
28482768999 has 12 divisors (see below), whose sum is σ = 41177168136. Its totient is φ = 18972178512.
The previous prime is 28482768991. The next prime is 28482769009. The reversal of 28482768999 is 99986728482.
It is not a de Polignac number, because 28482768999 - 23 = 28482768991 is a prime.
It is a super-2 number, since 2×284827689992 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28482768991) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1350132 + ... + 1371065.
It is an arithmetic number, because the mean of its divisors is an integer number (3431430678).
Almost surely, 228482768999 is an apocalyptic number.
28482768999 is a deficient number, since it is larger than the sum of its proper divisors (12694399137).
28482768999 is a wasteful number, since it uses less digits than its factorization.
28482768999 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2722366 (or 2722363 counting only the distinct ones).
The product of its digits is 250822656, while the sum is 72.
The spelling of 28482768999 in words is "twenty-eight billion, four hundred eighty-two million, seven hundred sixty-eight thousand, nine hundred ninety-nine".
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