Base | Representation |
---|---|
bin | 1011111100111111101… |
… | …1110010010000100000 |
3 | 201122001100001102022110 |
4 | 2333033323302100200 |
5 | 11331030104101401 |
6 | 234200514235320 |
7 | 20556546234606 |
oct | 2771773622040 |
9 | 648040042273 |
10 | 205352018976 |
11 | 7a0a8952285 |
12 | 3396bb85b40 |
13 | 1649808cc00 |
14 | 9d20c17876 |
15 | 551d2629d6 |
hex | 2fcfef2420 |
205352018976 has 144 divisors (see below), whose sum is σ = 618040360224. Its totient is φ = 59468378112.
The previous prime is 205352018953. The next prime is 205352019011. The reversal of 205352018976 is 679810253502.
It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (48).
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, 96466 + ... + 648081.
It is an arithmetic number, because the mean of its divisors is an integer number (4291946946).
Almost surely, 2205352018976 is an apocalyptic number.
205352018976 is a gapful number since it is divisible by the number (26) 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 205352018976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309020180112).
205352018976 is an abundant number, since it is smaller than the sum of its proper divisors (412688341248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
205352018976 is a wasteful number, since it uses less digits than its factorization.
205352018976 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 744603 (or 744582 counting only the distinct ones).
The product of its (nonzero) digits is 907200, while the sum is 48.
The spelling of 205352018976 in words is "two hundred five billion, three hundred fifty-two million, eighteen thousand, nine hundred seventy-six".
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