Base | Representation |
---|---|
bin | 1100001010011111100… |
… | …0001011101000101101 |
3 | 201222101211020112111021 |
4 | 3002213320023220231 |
5 | 11410440041444010 |
6 | 240000214254141 |
7 | 21045410535520 |
oct | 3024770135055 |
9 | 658354215437 |
10 | 208974953005 |
11 | 80697a05235 |
12 | 34601357351 |
13 | 1692483ca60 |
14 | a186056bb7 |
15 | 56813548da |
hex | 30a7e0ba2d |
208974953005 has 32 divisors (see below), whose sum is σ = 308737916928. Its totient is φ = 132232262400.
The previous prime is 208974952943. The next prime is 208974953009. The reversal of 208974953005 is 500359479802.
208974953005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 208974953005 - 235 = 174615214637 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (208974953009) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1394260 + ... + 1536850.
It is an arithmetic number, because the mean of its divisors is an integer number (9648059904).
Almost surely, 2208974953005 is an apocalyptic number.
It is an amenable number.
208974953005 is a deficient number, since it is larger than the sum of its proper divisors (99762963923).
208974953005 is a wasteful number, since it uses less digits than its factorization.
208974953005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 145837.
The product of its (nonzero) digits is 2721600, while the sum is 52.
The spelling of 208974953005 in words is "two hundred eight billion, nine hundred seventy-four million, nine hundred fifty-three thousand, five".
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