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1200300103 = 2352186961
BaseRepresentation
bin100011110001011…
…0010000001000111
310002122120120012101
41013202302001013
54424234100403
6315034332531
741513245132
oct10742620107
93078516171
101200300103
115665a1262
12295b8a147
1316189ac62
14b55ab219
157059971d
hex478b2047

1200300103 has 4 divisors (see below), whose sum is σ = 1252487088. Its totient is φ = 1148113120.

The previous prime is 1200300061. The next prime is 1200300107. The reversal of 1200300103 is 3010030021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3010030021 = 19915125779.

It is a cyclic number.

It is not a de Polignac number, because 1200300103 - 229 = 663429191 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 1200300103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200300107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26093458 + ... + 26093503.

It is an arithmetic number, because the mean of its divisors is an integer number (313121772).

Almost surely, 21200300103 is an apocalyptic number.

1200300103 is a deficient number, since it is larger than the sum of its proper divisors (52186985).

1200300103 is an equidigital number, since it uses as much as digits as its factorization.

1200300103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52186984.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 1200300103 is about 34645.3474942885. The cubic root of 1200300103 is about 1062.7471470836.

Adding to 1200300103 its reverse (3010030021), we get a palindrome (4210330124).

The spelling of 1200300103 in words is "one billion, two hundred million, three hundred thousand, one hundred three".

Divisors: 1 23 52186961 1200300103