Base | Representation |
---|---|
bin | 111011110000001… |
… | …1111001011111111 |
3 | 12011201202210212111 |
4 | 1313200133023333 |
5 | 13101240130210 |
6 | 530542114451 |
7 | 100454155534 |
oct | 16740371377 |
9 | 5151683774 |
10 | 2005005055 |
11 | 939855a79 |
12 | 47b57ba27 |
13 | 25c50a531 |
14 | 1503dcd8b |
15 | bb05088a |
hex | 7781f2ff |
2005005055 has 16 divisors (see below), whose sum is σ = 2431503360. Its totient is φ = 1587043872.
The previous prime is 2005005047. The next prime is 2005005061. The reversal of 2005005055 is 5505005002.
It is a cyclic number.
It is not a de Polignac number, because 2005005055 - 23 = 2005005047 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 554062 + ... + 557668.
It is an arithmetic number, because the mean of its divisors is an integer number (151968960).
Almost surely, 22005005055 is an apocalyptic number.
2005005055 is a deficient number, since it is larger than the sum of its proper divisors (426498305).
2005005055 is a wasteful number, since it uses less digits than its factorization.
2005005055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4758.
The product of its (nonzero) digits is 1250, while the sum is 22.
The square root of 2005005055 is about 44777.2828005452. The cubic root of 2005005055 is about 1260.9711700883.
The spelling of 2005005055 in words is "two billion, five million, five thousand, fifty-five".
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