Base | Representation |
---|---|
bin | 1100111100100110001001… |
… | …00010110100111110000000 |
3 | 10201210201220222212011210000 |
4 | 12132103010202310332000 |
5 | 12212424224204431310 |
6 | 140315032143440000 |
7 | 5665625404032264 |
oct | 636230442647600 |
9 | 121721828764700 |
10 | 28470340702080 |
11 | 9087227119202 |
12 | 32398ab5b6000 |
13 | 12b698440c924 |
14 | 705d86a420a4 |
15 | 3458a3ba44c0 |
hex | 19e4c48b4f80 |
28470340702080 has 2560 divisors, whose sum is σ = 113440555008000. Its totient is φ = 6778983923712.
The previous prime is 28470340702049. The next prime is 28470340702121. The reversal of 28470340702080 is 8020704307482.
28470340702080 is a `hidden beast` number, since 2 + 8 + 470 + 34 + 0 + 70 + 2 + 0 + 80 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 224175910977 + ... + 224175911103.
It is an arithmetic number, because the mean of its divisors is an integer number (44312716800).
Almost surely, 228470340702080 is an apocalyptic number.
28470340702080 is a gapful number since it is divisible by the number (20) 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 28470340702080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56720277504000).
28470340702080 is an abundant number, since it is smaller than the sum of its proper divisors (84970214305920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28470340702080 is a wasteful number, since it uses less digits than its factorization.
28470340702080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 366 (or 345 counting only the distinct ones).
The product of its (nonzero) digits is 602112, while the sum is 45.
The spelling of 28470340702080 in words is "twenty-eight trillion, four hundred seventy billion, three hundred forty million, seven hundred two thousand, eighty".
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