Base | Representation |
---|---|
bin | 11010001000100010… |
… | …110010010100111100 |
3 | 2200102121000101220100 |
4 | 122020202302110330 |
5 | 424432004433223 |
6 | 20520232321100 |
7 | 2012240240652 |
oct | 321042622474 |
9 | 80377011810 |
10 | 28060624188 |
11 | 1099a544303 |
12 | 5531543190 |
13 | 2852655b4c |
14 | 1502a50dd2 |
15 | ae373e043 |
hex | 6888b253c |
28060624188 has 72 divisors (see below), whose sum is σ = 72701503056. Its totient is φ = 9120326400.
The previous prime is 28060624127. The next prime is 28060624217. The reversal of 28060624188 is 88142606082.
28060624188 is a `hidden beast` number, since 2 + 8 + 0 + 6 + 0 + 624 + 18 + 8 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3380323 + ... + 3388613.
It is an arithmetic number, because the mean of its divisors is an integer number (1009743098).
Almost surely, 228060624188 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28060624188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36350751528).
28060624188 is an abundant number, since it is smaller than the sum of its proper divisors (44640878868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28060624188 is a wasteful number, since it uses less digits than its factorization.
28060624188 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10635 (or 10630 counting only the distinct ones).
The product of its (nonzero) digits is 294912, while the sum is 45.
The spelling of 28060624188 in words is "twenty-eight billion, sixty million, six hundred twenty-four thousand, one hundred eighty-eight".
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