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12303431302 = 219731226983
BaseRepresentation
bin10110111010101011…
…10111011010000110
31011202110002001211211
423131111313122012
5200144134300202
65352505122034
7613614304051
oct133525673206
934673061754
1012303431302
115243a6a048
12247448931a
131210c94386
1484a045a98
154c020b1d7
hex2dd577686

12303431302 has 8 divisors (see below), whose sum is σ = 18548828496. Its totient is φ = 6120488472.

The previous prime is 12303431297. The next prime is 12303431321. The reversal of 12303431302 is 20313430321.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 15613098 + ... + 15613885.

It is an arithmetic number, because the mean of its divisors is an integer number (2318603562).

Almost surely, 212303431302 is an apocalyptic number.

12303431302 is a deficient number, since it is larger than the sum of its proper divisors (6245397194).

12303431302 is a wasteful number, since it uses less digits than its factorization.

12303431302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31227182.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 12303431302 its reverse (20313430321), we get a palindrome (32616861623).

The spelling of 12303431302 in words is "twelve billion, three hundred three million, four hundred thirty-one thousand, three hundred two".

Divisors: 1 2 197 394 31226983 62453966 6151715651 12303431302