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2005005055 = 510710393607
BaseRepresentation
bin111011110000001…
…1111001011111111
312011201202210212111
41313200133023333
513101240130210
6530542114451
7100454155534
oct16740371377
95151683774
102005005055
11939855a79
1247b57ba27
1325c50a531
141503dcd8b
15bb05088a
hex7781f2ff

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".

Divisors: 1 5 107 535 1039 3607 5195 18035 111173 385949 555865 1929745 3747673 18738365 401001011 2005005055