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12303231302 = 26151615651
BaseRepresentation
bin10110111010101010…
…00110100101000110
31011202102200220111102
423131111012211012
5200144111400202
65352500540102
7613612512005
oct133525064506
934672626442
1012303231302
11524394285a
1224743b1632
131210c2432b
14849dd2c3c
154c01bbd02
hex2dd546946

12303231302 has 4 divisors (see below), whose sum is σ = 18454846956. Its totient is φ = 6151615650.

The previous prime is 12303231301. The next prime is 12303231319. The reversal of 12303231302 is 20313230321.

12303231302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-5 number, since 5×123032313025 (a number of 52 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303231301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3075807824 + ... + 3075807827.

It is an arithmetic number, because the mean of its divisors is an integer number (4613711739).

Almost surely, 212303231302 is an apocalyptic number.

12303231302 is a deficient number, since it is larger than the sum of its proper divisors (6151615654).

12303231302 is an equidigital number, since it uses as much as digits as its factorization.

12303231302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6151615653.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 12303231302 its reverse (20313230321), we get a palindrome (32616461623).

The spelling of 12303231302 in words is "twelve billion, three hundred three million, two hundred thirty-one thousand, three hundred two".

Divisors: 1 2 6151615651 12303231302