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203200213133 = 409496822037
BaseRepresentation
bin1011110100111110101…
…1010011000010001101
3201102111101001100121202
42331033223103002031
511312123223310013
6233203205435245
720452330212311
oct2751753230215
9642441040552
10203200213133
11791a424a745
123346b40bb25
1316214333a08
149b99123b41
1554443b5858
hex2f4fad308d

203200213133 has 4 divisors (see below), whose sum is σ = 203697035580. Its totient is φ = 202703390688.

The previous prime is 203200213103. The next prime is 203200213141. The reversal of 203200213133 is 331312002302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331312002302 = 2165656001151.

It can be written as a sum of positive squares in 2 ways, for example, as 124664074084 + 78536139049 = 353078^2 + 280243^2 .

It is a cyclic number.

It is not a de Polignac number, because 203200213133 - 28 = 203200212877 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 (203200213103) 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, 248410610 + ... + 248411427.

It is an arithmetic number, because the mean of its divisors is an integer number (50924258895).

Almost surely, 2203200213133 is an apocalyptic number.

It is an amenable number.

203200213133 is a deficient number, since it is larger than the sum of its proper divisors (496822447).

203200213133 is an equidigital number, since it uses as much as digits as its factorization.

203200213133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496822446.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 203200213133 its reverse (331312002302), we get a palindrome (534512215435).

The spelling of 203200213133 in words is "two hundred three billion, two hundred million, two hundred thirteen thousand, one hundred thirty-three".

Divisors: 1 409 496822037 203200213133