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2000213009 = 2323781121
BaseRepresentation
bin111011100111000…
…1101010000010001
312011101202100102022
41313032031100101
513044023304014
6530251301225
7100365346544
oct16716152021
95141670368
102000213009
11937082703
12479a4a815
1325b5202c2
1414d91285b
15ba905a8e
hex7738d411

2000213009 has 6 divisors (see below), whose sum is σ = 2090960466. Its totient is φ = 1913246720.

The previous prime is 2000212939. The next prime is 2000213021. The reversal of 2000213009 is 9003120002.

It can be written as a sum of positive squares in only one way, i.e., 1899652225 + 100560784 = 43585^2 + 10028^2 .

It is a de Polignac number, because none of the positive numbers 2k-2000213009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2000213029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1890032 + ... + 1891089.

It is an arithmetic number, because the mean of its divisors is an integer number (348493411).

Almost surely, 22000213009 is an apocalyptic number.

It is an amenable number.

2000213009 is a deficient number, since it is larger than the sum of its proper divisors (90747457).

2000213009 is an equidigital number, since it uses as much as digits as its factorization.

2000213009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3781167 (or 3781144 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2000213009 is about 44723.7409996078. The cubic root of 2000213009 is about 1259.9657773942.

The spelling of 2000213009 in words is "two billion, two hundred thirteen thousand, nine".

Divisors: 1 23 529 3781121 86965783 2000213009