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82000000028 = 2220500000007
BaseRepresentation
bin100110001011110010…
…1001011010000011100
321211122201110121021002
41030113211023100130
52320414000000103
6101400440325432
75632015333322
oct1142745132034
9254581417232
1082000000028
1131859953771
1213a85773878
13796a5ac19b
143d7c633d12
1521edd81488
hex131794b41c

82000000028 has 6 divisors (see below), whose sum is σ = 143500000056. Its totient is φ = 41000000012.

The previous prime is 82000000001. The next prime is 82000000057.

82000000028 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 81999999946 and 82000000009.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10250000000 + ... + 10250000007.

It is an arithmetic number, because the mean of its divisors is an integer number (23916666676).

Almost surely, 282000000028 is an apocalyptic number.

It is an amenable number.

82000000028 is a deficient number, since it is larger than the sum of its proper divisors (61500000028).

82000000028 is a wasteful number, since it uses less digits than its factorization.

82000000028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20500000011 (or 20500000009 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

It can be divided in two parts, 820000000 and 28, that added together give a palindrome (820000028).

The spelling of 82000000028 in words is "eighty-two billion, twenty-eight", and thus it is an aban number and an uban number.

Divisors: 1 2 4 20500000007 41000000014 82000000028