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12301021303 = 25149008053
BaseRepresentation
bin10110111010011001…
…01011000001110111
31011202021112121221121
423131030223001313
5200143030140203
65352341324411
7613554645604
oct133514530167
934667477847
1012301021303
11524267340a
122473706707
13121062c43c
148499b96ab
154bedd20bd
hex2dd32b077

12301021303 has 4 divisors (see below), whose sum is σ = 12350029608. Its totient is φ = 12252013000.

The previous prime is 12301021289. The next prime is 12301021331. The reversal of 12301021303 is 30312010321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12301021303 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 (12301027303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24503776 + ... + 24504277.

It is an arithmetic number, because the mean of its divisors is an integer number (3087507402).

Almost surely, 212301021303 is an apocalyptic number.

12301021303 is a deficient number, since it is larger than the sum of its proper divisors (49008305).

12301021303 is an equidigital number, since it uses as much as digits as its factorization.

12301021303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49008304.

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

Adding to 12301021303 its reverse (30312010321), we get a palindrome (42613031624).

The spelling of 12301021303 in words is "twelve billion, three hundred one million, twenty-one thousand, three hundred three".

Divisors: 1 251 49008053 12301021303