Base | Representation |
---|---|
bin | 111011110001000… |
… | …0101101110010011 |
3 | 12011202120010222121 |
4 | 1313202011232103 |
5 | 13101342100133 |
6 | 530555115111 |
7 | 100460555146 |
oct | 16742055623 |
9 | 5152503877 |
10 | 2005425043 |
11 | 93a012576 |
12 | 47b742a97 |
13 | 25c62674b |
14 | 1504ac05d |
15 | bb0d502d |
hex | 77885b93 |
2005425043 has 12 divisors (see below), whose sum is σ = 2145922632. Its totient is φ = 1873644800.
The previous prime is 2005425041. The next prime is 2005425047. The reversal of 2005425043 is 3405245002.
It is not a de Polignac number, because 2005425043 - 21 = 2005425041 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2005424999 and 2005425017.
It is not an unprimeable number, because it can be changed into a prime (2005425041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14268 + ... + 64918.
It is an arithmetic number, because the mean of its divisors is an integer number (178826886).
Almost surely, 22005425043 is an apocalyptic number.
2005425043 is a deficient number, since it is larger than the sum of its proper divisors (140497589).
2005425043 is a wasteful number, since it uses less digits than its factorization.
2005425043 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50822 (or 50805 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 25.
The square root of 2005425043 is about 44781.9722991295. The cubic root of 2005425043 is about 1261.0592090660.
The spelling of 2005425043 in words is "two billion, five million, four hundred twenty-five thousand, forty-three".
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