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2005005002 = 2711131001501
BaseRepresentation
bin111011110000001…
…1111001011001010
312011201202210210112
41313200133023022
513101240130002
6530542114322
7100454155430
oct16740371312
95151683715
102005005002
11939855a30
1247b57b9a2
1325c50a4c0
141503dcd50
15bb050852
hex7781f2ca

2005005002 has 32 divisors (see below), whose sum is σ = 4038056064. Its totient is φ = 721080000.

The previous prime is 2005004993. The next prime is 2005005047.

2005005002 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 498749 + ... + 502752.

It is an arithmetic number, because the mean of its divisors is an integer number (126189252).

Almost surely, 22005005002 is an apocalyptic number.

2005005002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2005005002 is an abundant number, since it is smaller than the sum of its proper divisors (2033051062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2005005002 is a wasteful number, since it uses less digits than its factorization.

2005005002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001534.

The product of its (nonzero) digits is 100, while the sum is 14.

The square root of 2005005002 is about 44777.2822087272. The cubic root of 2005005002 is about 1260.9711589775.

It can be divided in two parts, 200500 and 5002, that added together give a palindrome (205502).

The spelling of 2005005002 in words is "two billion, five million, five thousand, two".

Divisors: 1 2 7 11 13 14 22 26 77 91 143 154 182 286 1001 2002 1001501 2003002 7010507 11016511 13019513 14021014 22033022 26039026 77115577 91136591 143214643 154231154 182273182 286429286 1002502501 2005005002