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12030320203 = 111093665473
BaseRepresentation
bin10110011010001000…
…00001111001001011
31011001102011120211221
423031010001321023
5144114230221303
65305431302511
7604060014556
oct131504017113
934042146757
1012030320203
1151138906a0
1223b8b1aa37
13119951c485
14821a7169d
154a625e4bd
hex2cd101e4b

12030320203 has 4 divisors (see below), whose sum is σ = 13123985688. Its totient is φ = 10936654720.

The previous prime is 12030320201. The next prime is 12030320279. The reversal of 12030320203 is 30202303021.

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 12030320203 - 21 = 12030320201 is a prime.

It is a super-2 number, since 2×120303202032 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12030320201) 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, 546832726 + ... + 546832747.

It is an arithmetic number, because the mean of its divisors is an integer number (3280996422).

Almost surely, 212030320203 is an apocalyptic number.

12030320203 is a deficient number, since it is larger than the sum of its proper divisors (1093665485).

12030320203 is a wasteful number, since it uses less digits than its factorization.

12030320203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093665484.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 12030320203 its reverse (30202303021), we get a palindrome (42232623224).

It can be divided in two parts, 12030 and 320203, that added together give a palindrome (332233).

The spelling of 12030320203 in words is "twelve billion, thirty million, three hundred twenty thousand, two hundred three".

Divisors: 1 11 1093665473 12030320203