Base | Representation |
---|---|
bin | 1001110010001010110… |
… | …0001001110011011100 |
3 | 121001212011221111122021 |
4 | 2130202230021303130 |
5 | 10223214421140010 |
6 | 205114552225524 |
7 | 15100215040450 |
oct | 2344254116334 |
9 | 531764844567 |
10 | 168085724380 |
11 | 65315011602 |
12 | 286ab69b2a4 |
13 | 12b09495812 |
14 | 81c7734660 |
15 | 458b76c8da |
hex | 2722b09cdc |
168085724380 has 24 divisors (see below), whose sum is σ = 403405738848. Its totient is φ = 57629391168.
The previous prime is 168085724357. The next prime is 168085724449. The reversal of 168085724380 is 83427580861.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600306019 + ... + 600306298.
It is an arithmetic number, because the mean of its divisors is an integer number (16808572452).
Almost surely, 2168085724380 is an apocalyptic number.
168085724380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
168085724380 is an abundant number, since it is smaller than the sum of its proper divisors (235320014468).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168085724380 is a wasteful number, since it uses less digits than its factorization.
168085724380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1200612333 (or 1200612331 counting only the distinct ones).
The product of its (nonzero) digits is 2580480, while the sum is 52.
The spelling of 168085724380 in words is "one hundred sixty-eight billion, eighty-five million, seven hundred twenty-four thousand, three hundred eighty".
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