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28482768999 = 3211632721197
BaseRepresentation
bin11010100001101101…
…001001000001100111
32201112000100120201100
4122201231021001213
5431313042101444
621030152331143
72025554353566
oct324155110147
981460316640
1028482768999
1111096864a13
12562a9a3ab3
1328bbc4bb89
141542b3bbdd
15b1a828e69
hex6a1b49067

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".

Divisors: 1 3 9 1163 3489 10467 2721197 8163591 24490773 3164752111 9494256333 28482768999