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2000213213 = 7327400181
BaseRepresentation
bin111011100111000…
…1101010011011101
312011101202100200212
41313032031103131
513044023310323
6530251302205
7100365350255
oct16716152335
95141670625
102000213213
11937082879
12479a4a965
1325b52041b
1414d912965
15ba905b78
hex7738d4dd

2000213213 has 4 divisors (see below), whose sum is σ = 2027613468. Its totient is φ = 1972812960.

The previous prime is 2000213203. The next prime is 2000213233. The reversal of 2000213213 is 3123120002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3123120002 = 21561560001.

It can be written as a sum of positive squares in 2 ways, for example, as 1208466169 + 791747044 = 34763^2 + 28138^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000213213 - 210 = 2000212189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000213203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13700018 + ... + 13700163.

It is an arithmetic number, because the mean of its divisors is an integer number (506903367).

Almost surely, 22000213213 is an apocalyptic number.

It is an amenable number.

2000213213 is a deficient number, since it is larger than the sum of its proper divisors (27400255).

2000213213 is an equidigital number, since it uses as much as digits as its factorization.

2000213213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27400254.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2000213213 is about 44723.7432802756. The cubic root of 2000213213 is about 1259.9658202284.

Adding to 2000213213 its reverse (3123120002), we get a palindrome (5123333215).

The spelling of 2000213213 in words is "two billion, two hundred thirteen thousand, two hundred thirteen".

Divisors: 1 73 27400181 2000213213