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28062870712 = 233507858839
BaseRepresentation
bin11010001000101011…
…010110110010111000
32200102202020112112221
4122020223112302320
5424433043330322
620520352413424
72012265315412
oct321053266270
980382215487
1028062870712
11109a0839138
125532247274
132852c61556
1415030779b2
15ae3a349c7
hex688ad6cb8

28062870712 has 8 divisors (see below), whose sum is σ = 52617882600. Its totient is φ = 14031435352.

The previous prime is 28062870709. The next prime is 28062870733. The reversal of 28062870712 is 21707826082.

It is a tau number, because it is divible by the number of its divisors (8).

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, 1753929412 + ... + 1753929427.

It is an arithmetic number, because the mean of its divisors is an integer number (6577235325).

Almost surely, 228062870712 is an apocalyptic number.

It is an amenable number.

28062870712 is a deficient number, since it is larger than the sum of its proper divisors (24555011888).

28062870712 is a wasteful number, since it uses less digits than its factorization.

28062870712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3507858845 (or 3507858841 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 43.

The spelling of 28062870712 in words is "twenty-eight billion, sixty-two million, eight hundred seventy thousand, seven hundred twelve".

Divisors: 1 2 4 8 3507858839 7015717678 14031435356 28062870712