| Base | Representation |
|---|---|
| bin | 1101000011110100001011… |
| … | …00101110010000000000000 |
| 3 | 10202200110012011021221200200 |
| 4 | 12201322011211302000000 |
| 5 | 12231010232002134122 |
| 6 | 141025014125045200 |
| 7 | 6022556353352520 |
| oct | 641720545620000 |
| 9 | 122613164257620 |
| 10 | 28718392614912 |
| 11 | 9172446a42760 |
| 12 | 32799976b6800 |
| 13 | 13041959cc400 |
| 14 | 713d9882d680 |
| 15 | 34c0709625ac |
| hex | 1a1e85972000 |
28718392614912 has 2016 divisors, whose sum is σ = 115166911916160. Its totient is φ = 6691152199680.
The previous prime is 28718392614797. The next prime is 28718392614937. The reversal of 28718392614912 is 21941629381782.
28718392614912 is a `hidden beast` number, since 2 + 8 + 7 + 1 + 8 + 3 + 9 + 2 + 614 + 9 + 1 + 2 = 666.
It is a tau number, because it is divible by the number of its divisors (2016).
It is a super-2 number, since 2×287183926149122 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is a nude number because it is divisible by every one of its digits.
It is a self number, because there is not a number n which added to its sum of digits gives 28718392614912.
It is an unprimeable number.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 35498630764 + ... + 35498631572.
Almost surely, 228718392614912 is an apocalyptic number.
28718392614912 is a gapful number since it is divisible by the number (22) 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 28718392614912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57583455958080).
28718392614912 is an abundant number, since it is smaller than the sum of its proper divisors (86448519301248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28718392614912 is a wasteful number, since it uses less digits than its factorization.
28718392614912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 922 (or 882 counting only the distinct ones).
The product of its digits is 20901888, while the sum is 63.
The spelling of 28718392614912 in words is "twenty-eight trillion, seven hundred eighteen billion, three hundred ninety-two million, six hundred fourteen thousand, nine hundred twelve".
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