Base | Representation |
---|---|
bin | 1101000111101111101010… |
… | …11010010011010101101100 |
3 | 10210011100200221021220021121 |
4 | 12203313311122103111230 |
5 | 12240213242113440413 |
6 | 141211024052510324 |
7 | 6035406314550040 |
oct | 643676532232554 |
9 | 123140627256247 |
10 | 28853412640108 |
11 | 9214733257041 |
12 | 329bb9961b3a4 |
13 | 1313b32924544 |
14 | 71a7268d0020 |
15 | 350824385b8d |
hex | 1a3df569356c |
28853412640108 has 96 divisors (see below), whose sum is σ = 59918097536640. Its totient is φ = 11895142533120.
The previous prime is 28853412640103. The next prime is 28853412640123. The reversal of 28853412640108 is 80104621435882.
It is not an unprimeable number, because it can be changed into a prime (28853412640103) 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, 258726216 + ... + 258837712.
It is an arithmetic number, because the mean of its divisors is an integer number (624146849340).
Almost surely, 228853412640108 is an apocalyptic number.
28853412640108 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28853412640108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29959048768320).
28853412640108 is an abundant number, since it is smaller than the sum of its proper divisors (31064684896532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28853412640108 is a wasteful number, since it uses less digits than its factorization.
28853412640108 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 112715 (or 112713 counting only the distinct ones).
The product of its (nonzero) digits is 2949120, while the sum is 52.
The spelling of 28853412640108 in words is "twenty-eight trillion, eight hundred fifty-three billion, four hundred twelve million, six hundred forty thousand, one hundred eight".
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