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28897080496 = 242828363857
BaseRepresentation
bin11010111010011001…
…100111010010110000
32202120212221210020121
4122322121213102300
5433140123033441
621135232420024
72042045063044
oct327231472260
982525853217
1028897080496
1111289715309
1257256a7614
132956a315cb
141581b8a024
15b41db7dd1
hex6ba6674b0

28897080496 has 20 divisors (see below), whose sum is σ = 55990949832. Its totient is φ = 14447803136.

The previous prime is 28897080493. The next prime is 28897080517. The reversal of 28897080496 is 69408079882.

It is a super-2 number, since 2×288970804962 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28897080493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420600 + ... + 484456.

Almost surely, 228897080496 is an apocalyptic number.

It is an amenable number.

28897080496 is a deficient number, since it is larger than the sum of its proper divisors (27093869336).

28897080496 is a wasteful number, since it uses less digits than its factorization.

28897080496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92148 (or 92142 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 61.

The spelling of 28897080496 in words is "twenty-eight billion, eight hundred ninety-seven million, eighty thousand, four hundred ninety-six".

Divisors: 1 2 4 8 16 28283 56566 63857 113132 127714 226264 255428 452528 510856 1021712 1806067531 3612135062 7224270124 14448540248 28897080496