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200102213 = 1201166613
BaseRepresentation
bin10111110110101…
…01000101000101
3111221112020122002
423323111011011
5402211232323
631504515045
74646561243
oct1373250505
9457466562
10200102213
11a2a52833
125701ba85
13325c199c
141c80b793
1512879828
hexbed5145

200102213 has 4 divisors (see below), whose sum is σ = 200270028. Its totient is φ = 199934400.

The previous prime is 200102209. The next prime is 200102237. The reversal of 200102213 is 312201002.

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: 312201002 = 2156100501.

It can be written as a sum of positive squares in 2 ways, for example, as 2362369 + 197739844 = 1537^2 + 14062^2 .

It is a cyclic number.

It is not a de Polignac number, because 200102213 - 22 = 200102209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200102194 and 200102203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200102113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82106 + ... + 84507.

It is an arithmetic number, because the mean of its divisors is an integer number (50067507).

Almost surely, 2200102213 is an apocalyptic number.

It is an amenable number.

200102213 is a deficient number, since it is larger than the sum of its proper divisors (167815).

200102213 is a wasteful number, since it uses less digits than its factorization.

200102213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167814.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 200102213 is about 14145.7489374017. The cubic root of 200102213 is about 584.9031548843.

Adding to 200102213 its reverse (312201002), we get a palindrome (512303215).

The spelling of 200102213 in words is "two hundred million, one hundred two thousand, two hundred thirteen".

Divisors: 1 1201 166613 200102213