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203412232241 = 316561684911
BaseRepresentation
bin1011110101110001010…
…0000101100000110001
3201110001011000001011022
42331130110011200301
511313042012412431
6233240222025225
720460513305651
oct2753424054061
9643034001138
10203412232241
11792a29a1849
123350a418215
13162492388ca
149bb9354361
155457ce607b
hex2f5c505831

203412232241 has 4 divisors (see below), whose sum is σ = 209973917184. Its totient is φ = 196850547300.

The previous prime is 203412232217. The next prime is 203412232279. The reversal of 203412232241 is 142232214302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-203412232241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203412232241.

It is not an unprimeable number, because it can be changed into a prime (203412232201) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3280842425 + ... + 3280842486.

It is an arithmetic number, because the mean of its divisors is an integer number (52493479296).

Almost surely, 2203412232241 is an apocalyptic number.

It is an amenable number.

203412232241 is a deficient number, since it is larger than the sum of its proper divisors (6561684943).

203412232241 is an equidigital number, since it uses as much as digits as its factorization.

203412232241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6561684942.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 203412232241 its reverse (142232214302), we get a palindrome (345644446543).

The spelling of 203412232241 in words is "two hundred three billion, four hundred twelve million, two hundred thirty-two thousand, two hundred forty-one".

Divisors: 1 31 6561684911 203412232241