Base | Representation |
---|---|
bin | 100010110110010111… |
… | …0101000101010110000 |
3 | 21011011122001020000001 |
4 | 1011230232220222300 |
5 | 2211232140433220 |
6 | 54214055035344 |
7 | 5256366451102 |
oct | 1055456505260 |
9 | 234148036001 |
10 | 74838608560 |
11 | 29814497321 |
12 | 1260736bb54 |
13 | 7098a19341 |
14 | 389d4a5572 |
15 | 1e302d780a |
hex | 116cba8ab0 |
74838608560 has 40 divisors (see below), whose sum is σ = 174065600160. Its totient is φ = 29924116992.
The previous prime is 74838608557. The next prime is 74838608569. The reversal of 74838608560 is 6580683847.
It is a tau number, because it is divible by the number of its divisors (40).
It is not an unprimeable number, because it can be changed into a prime (74838608569) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37396 + ... + 388684.
It is an arithmetic number, because the mean of its divisors is an integer number (4351640004).
Almost surely, 274838608560 is an apocalyptic number.
It is an amenable number.
74838608560 is an abundant number, since it is smaller than the sum of its proper divisors (99226991600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74838608560 is a wasteful number, since it uses less digits than its factorization.
74838608560 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 353965 (or 353959 counting only the distinct ones).
The product of its (nonzero) digits is 7741440, while the sum is 55.
The spelling of 74838608560 in words is "seventy-four billion, eight hundred thirty-eight million, six hundred eight thousand, five hundred sixty".
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