Base | Representation |
---|---|
bin | 1011111110100000111… |
… | …0000011110111111100 |
3 | 201200002201201201022110 |
4 | 2333220032003313330 |
5 | 11332343410303113 |
6 | 234305151214020 |
7 | 20602624402026 |
oct | 2775016036774 |
9 | 650081651273 |
10 | 205759462908 |
11 | 7a2979419aa |
12 | 33a64517310 |
13 | 165316097ac |
14 | 9d5cd99016 |
15 | 5543de6bc3 |
hex | 2fe8383dfc |
205759462908 has 12 divisors (see below), whose sum is σ = 480105413480. Its totient is φ = 68586487632.
The previous prime is 205759462891. The next prime is 205759462949. The reversal of 205759462908 is 809264957502.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8573310943 + ... + 8573310966.
Almost surely, 2205759462908 is an apocalyptic number.
It is an amenable number.
205759462908 is an abundant number, since it is smaller than the sum of its proper divisors (274345950572).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
205759462908 is a wasteful number, since it uses less digits than its factorization.
205759462908 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17146621916 (or 17146621914 counting only the distinct ones).
The product of its (nonzero) digits is 10886400, while the sum is 57.
It can be divided in two parts, 2057 and 59462908, that added together give a triangular number (59464965 = T10905).
The spelling of 205759462908 in words is "two hundred five billion, seven hundred fifty-nine million, four hundred sixty-two thousand, nine hundred eight".
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