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28718000082 = 23252310932791
BaseRepresentation
bin11010101111101110…
…011110011111010010
32202010101222120002200
4122233232132133102
5432303302000312
621105354224030
72034441654522
oct325756363722
982111876080
1028718000082
11111a7620572
125695725016
1329288c0175
141566091682
15b312e20dc
hex6afb9e7d2

28718000082 has 48 divisors (see below), whose sum is σ = 62420699328. Its totient is φ = 9542201760.

The previous prime is 28718000041. The next prime is 28718000147. The reversal of 28718000082 is 28000081782.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 10288107 + ... + 10290897.

It is an arithmetic number, because the mean of its divisors is an integer number (1300431236).

Almost surely, 228718000082 is an apocalyptic number.

28718000082 is an abundant number, since it is smaller than the sum of its proper divisors (33702699246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28718000082 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (28718000081) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (4412).

28718000082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4415 (or 4412 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The spelling of 28718000082 in words is "twenty-eight billion, seven hundred eighteen million, eighty-two", and thus it is an aban number.

Divisors: 1 2 3 6 9 18 523 1046 1093 1569 2186 2791 3138 3279 4707 5582 6558 8373 9414 9837 16746 19674 25119 50238 571639 1143278 1459693 1714917 2919386 3050563 3429834 4379079 5144751 6101126 8758158 9151689 10289502 13137237 18303378 26274474 27455067 54910134 1595444449 3190888898 4786333347 9572666694 14359000041 28718000082