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12110403203 = 17712376659
BaseRepresentation
bin10110100011101011…
…00001011010000011
31011020222212020001222
423101311201122003
5144300230400303
65321411545255
7606051504653
oct132165413203
934228766058
1012110403203
115155009198
12241b8bb22b
1311accab572
1482c55a363
154ad2cc938
hex2d1d61683

12110403203 has 4 divisors (see below), whose sum is σ = 12822779880. Its totient is φ = 11398026528.

The previous prime is 12110403163. The next prime is 12110403211. The reversal of 12110403203 is 30230401121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12110403203 - 28 = 12110402947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 712376659 = 12110403203 / (1 + 2 + 1 + 1 + 0 + 4 + 0 + 3 + 2 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12110403223) 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, 356188313 + ... + 356188346.

It is an arithmetic number, because the mean of its divisors is an integer number (3205694970).

Almost surely, 212110403203 is an apocalyptic number.

12110403203 is a deficient number, since it is larger than the sum of its proper divisors (712376677).

12110403203 is an equidigital number, since it uses as much as digits as its factorization.

12110403203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712376676.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12110403203 its reverse (30230401121), we get a palindrome (42340804324).

The spelling of 12110403203 in words is "twelve billion, one hundred ten million, four hundred three thousand, two hundred three".

Divisors: 1 17 712376659 12110403203