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12030213103 = 59203901917
BaseRepresentation
bin10110011010000111…
…00111101111101111
31011001101222010221021
423031003213233233
5144114213304403
65305425115011
7604056060406
oct131503475757
934041863837
1012030213103
115113818187
1223b8a88a67
1311994b27bc
14821a4463d
154a623c8bd
hex2cd0e7bef

12030213103 has 4 divisors (see below), whose sum is σ = 12234115080. Its totient is φ = 11826311128.

The previous prime is 12030213101. The next prime is 12030213131. The reversal of 12030213103 is 30131203021.

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 12030213103 - 21 = 12030213101 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 (12030213101) 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, 101950900 + ... + 101951017.

It is an arithmetic number, because the mean of its divisors is an integer number (3058528770).

Almost surely, 212030213103 is an apocalyptic number.

12030213103 is a deficient number, since it is larger than the sum of its proper divisors (203901977).

12030213103 is an equidigital number, since it uses as much as digits as its factorization.

12030213103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203901976.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 12030213103 its reverse (30131203021), we get a palindrome (42161416124).

The spelling of 12030213103 in words is "twelve billion, thirty million, two hundred thirteen thousand, one hundred three".

Divisors: 1 59 203901917 12030213103