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5005005055 = 51001001011
BaseRepresentation
bin1001010100101001…
…00101000011111111
3110220210210121012121
410222110211003333
540222240130210
62144350343411
7235012561321
oct45224450377
913823717177
105005005055
112139216416
12b781bab67
13619bc1a6b
14356a05611
151e45e46da
hex12a5250ff

5005005055 has 4 divisors (see below), whose sum is σ = 6006006072. Its totient is φ = 4004004040.

The previous prime is 5005005053. The next prime is 5005005067. The reversal of 5005005055 is 5505005005.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5505005005 = 51101001001.

It is not a de Polignac number, because 5005005055 - 21 = 5005005053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5005005053) 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 3 ways as a sum of consecutive naturals, for example, 500500501 + ... + 500500510.

It is an arithmetic number, because the mean of its divisors is an integer number (1501501518).

Almost surely, 25005005055 is an apocalyptic number.

5005005055 is a deficient number, since it is larger than the sum of its proper divisors (1001001017).

5005005055 is a wasteful number, since it uses less digits than its factorization.

5005005055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001001016.

The product of its (nonzero) digits is 3125, while the sum is 25.

The square root of 5005005055 is about 70746.0603496760. The cubic root of 5005005055 is about 1710.5463246449.

The spelling of 5005005055 in words is "five billion, five million, five thousand, fifty-five".

Divisors: 1 5 1001001011 5005005055