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12303440404 = 224217306081
BaseRepresentation
bin10110111010101011…
…11001101000010100
31011202110002112022221
423131111321220110
5200144140043104
65352505232124
7613614342433
oct133525715024
934673075287
1012303440404
115243a75972
122474492644
131210c98568
1484a04911a
154c020dc54
hex2dd579a14

12303440404 has 12 divisors (see below), whose sum is σ = 21582166228. Its totient is φ = 6137107200.

The previous prime is 12303440389. The next prime is 12303440411. The reversal of 12303440404 is 40404430321.

It can be written as a sum of positive squares in 2 ways, for example, as 3516252804 + 8787187600 = 59298^2 + 93740^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3651357 + ... + 3654724.

Almost surely, 212303440404 is an apocalyptic number.

It is an amenable number.

12303440404 is a deficient number, since it is larger than the sum of its proper divisors (9278725824).

12303440404 is a wasteful number, since it uses less digits than its factorization.

12303440404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7306506 (or 7306504 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 12303440404 its reverse (40404430321), we get a palindrome (52707870725).

The spelling of 12303440404 in words is "twelve billion, three hundred three million, four hundred forty thousand, four hundred four".

Divisors: 1 2 4 421 842 1684 7306081 14612162 29224324 3075860101 6151720202 12303440404