Base | Representation |
---|---|
bin | 1011111111001111100… |
… | …1110000111000011000 |
3 | 201200121101112211212211 |
4 | 2333303321300320120 |
5 | 11333244100000244 |
6 | 234340432244504 |
7 | 20610524412610 |
oct | 2776371607030 |
9 | 650541484784 |
10 | 205955468824 |
11 | 7a388547066 |
12 | 33aba0a0734 |
13 | 165630c5b21 |
14 | 9d7b01ba40 |
15 | 5556212934 |
hex | 2ff3e70e18 |
205955468824 has 32 divisors (see below), whose sum is σ = 441643461120. Its totient is φ = 88204566816.
The previous prime is 205955468819. The next prime is 205955468833. The reversal of 205955468824 is 428864559502.
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, 1212574 + ... + 1371949.
It is an arithmetic number, because the mean of its divisors is an integer number (13801358160).
Almost surely, 2205955468824 is an apocalyptic number.
It is an amenable number.
205955468824 is an abundant number, since it is smaller than the sum of its proper divisors (235687992296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
205955468824 is a wasteful number, since it uses less digits than its factorization.
205955468824 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2585959 (or 2585955 counting only the distinct ones).
The product of its (nonzero) digits is 27648000, while the sum is 58.
The spelling of 205955468824 in words is "two hundred five billion, nine hundred fifty-five million, four hundred sixty-eight thousand, eight hundred twenty-four".
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