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28757348716 = 2217422902187
BaseRepresentation
bin11010110010000100…
…100101000101101100
32202020011000200021111
4122302010211011230
5432343340124331
621113321441404
72035430300545
oct326204450554
982204020244
1028757348716
11112178567a8
1256a6940264
132933ab9395
14156b3b54cc
15b349b5db1
hex6b212516c

28757348716 has 12 divisors (see below), whose sum is σ = 53285675688. Its totient is φ = 13532869952.

The previous prime is 28757348689. The next prime is 28757348729. The reversal of 28757348716 is 61784375782.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211451026 + ... + 211451161.

It is an arithmetic number, because the mean of its divisors is an integer number (4440472974).

Almost surely, 228757348716 is an apocalyptic number.

It is an amenable number.

28757348716 is a deficient number, since it is larger than the sum of its proper divisors (24528326972).

28757348716 is a wasteful number, since it uses less digits than its factorization.

28757348716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422902208 (or 422902206 counting only the distinct ones).

The product of its digits is 15805440, while the sum is 58.

The spelling of 28757348716 in words is "twenty-eight billion, seven hundred fifty-seven million, three hundred forty-eight thousand, seven hundred sixteen".

Divisors: 1 2 4 17 34 68 422902187 845804374 1691608748 7189337179 14378674358 28757348716