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28646064083 = 713383821911
BaseRepresentation
bin11010101011011100…
…000011111111010011
32201221101121211110102
4122223130003333103
5432131343022313
621054304323015
72032606345550
oct325334037723
981841554412
1028646064083
111116aa57a2a
12567561346b
132916a243a0
14155a6c7a27
15b29d32a58
hex6ab703fd3

28646064083 has 16 divisors (see below), whose sum is σ = 35348791296. Its totient is φ = 22605812640.

The previous prime is 28646064079. The next prime is 28646064089. The reversal of 28646064083 is 38046064682.

It is a cyclic number.

It is not a de Polignac number, because 28646064083 - 22 = 28646064079 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (28646064089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 376103 + ... + 445808.

It is an arithmetic number, because the mean of its divisors is an integer number (2209299456).

Almost surely, 228646064083 is an apocalyptic number.

28646064083 is a deficient number, since it is larger than the sum of its proper divisors (6702727213).

28646064083 is a wasteful number, since it uses less digits than its factorization.

28646064083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822314.

The product of its (nonzero) digits is 1327104, while the sum is 47.

The spelling of 28646064083 in words is "twenty-eight billion, six hundred forty-six million, sixty-four thousand, eighty-three".

Divisors: 1 7 13 91 383 2681 4979 34853 821911 5753377 10684843 74793901 314791913 2203543391 4092294869 28646064083