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12306006340 = 225615300317
BaseRepresentation
bin10110111010111111…
…01100000101000100
31011202121220220010121
423131133230011010
5200200314200330
65353040231324
7613645220335
oct133537540504
934677826117
1012306006340
115245468781
12247530b544
131211686474
1484a51628c
154c056917a
hex2dd7ec144

12306006340 has 12 divisors (see below), whose sum is σ = 25842613356. Its totient is φ = 4922402528.

The previous prime is 12306006313. The next prime is 12306006353. The reversal of 12306006340 is 4360060321.

It can be written as a sum of positive squares in 2 ways, for example, as 8539238464 + 3766767876 = 92408^2 + 61374^2 .

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, 307650139 + ... + 307650178.

It is an arithmetic number, because the mean of its divisors is an integer number (2153551113).

Almost surely, 212306006340 is an apocalyptic number.

12306006340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12306006340 is an abundant number, since it is smaller than the sum of its proper divisors (13536607016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12306006340 is a wasteful number, since it uses less digits than its factorization.

12306006340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615300326 (or 615300324 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 12306006340 its reverse (4360060321), we get a palindrome (16666066661).

The spelling of 12306006340 in words is "twelve billion, three hundred six million, six thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 615300317 1230600634 2461201268 3076501585 6153003170 12306006340