Base | Representation |
---|---|
bin | 11010111000000001… |
… | …000011100001101110 |
3 | 2202111002200222000010 |
4 | 122320001003201232 |
5 | 433044403304420 |
6 | 21131243314050 |
7 | 2041051126134 |
oct | 327001034156 |
9 | 82432628003 |
10 | 28857088110 |
11 | 1126908a454 |
12 | 571421b926 |
13 | 294b66b386 |
14 | 157a739754 |
15 | b3d6184e0 |
hex | 6b804386e |
28857088110 has 64 divisors (see below), whose sum is σ = 71522279424. Its totient is φ = 7443744000.
The previous prime is 28857088103. The next prime is 28857088111. The reversal of 28857088110 is 1188075882.
It is a self number, because there is not a number n which added to its sum of digits gives 28857088110.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28857088111) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2716810 + ... + 2727410.
It is an arithmetic number, because the mean of its divisors is an integer number (1117535616).
Almost surely, 228857088110 is an apocalyptic number.
28857088110 is an abundant number, since it is smaller than the sum of its proper divisors (42665191314).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28857088110 is a wasteful number, since it uses less digits than its factorization.
28857088110 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13569.
The product of its (nonzero) digits is 286720, while the sum is 48.
The spelling of 28857088110 in words is "twenty-eight billion, eight hundred fifty-seven million, eighty-eight thousand, one hundred ten".
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