Base | Representation |
---|---|
bin | 1100111110101110101110… |
… | …01000101110011011100000 |
3 | 10202001202012020100122112221 |
4 | 12133113113020232123200 |
5 | 12220124412232230223 |
6 | 140412440222200424 |
7 | 6004132451626510 |
oct | 637272710563340 |
9 | 122052166318487 |
10 | 28543667070688 |
11 | 9105334a25240 |
12 | 324bb54423114 |
13 | 12c086ba3c713 |
14 | 709741339840 |
15 | 347746325b5d |
hex | 19f5d722e6e0 |
28543667070688 has 192 divisors, whose sum is σ = 70222505472000. Its totient is φ = 11095410032640.
The previous prime is 28543667070649. The next prime is 28543667070713. The reversal of 28543667070688 is 88607076634582.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3731682288 + ... + 3731689936.
It is an arithmetic number, because the mean of its divisors is an integer number (365742216000).
Almost surely, 228543667070688 is an apocalyptic number.
28543667070688 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 28543667070688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35111252736000).
28543667070688 is an abundant number, since it is smaller than the sum of its proper divisors (41678838401312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28543667070688 is a wasteful number, since it uses less digits than its factorization.
28543667070688 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10953 (or 10945 counting only the distinct ones).
The product of its (nonzero) digits is 650280960, while the sum is 70.
The spelling of 28543667070688 in words is "twenty-eight trillion, five hundred forty-three billion, six hundred sixty-seven million, seventy thousand, six hundred eighty-eight".
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