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12320300312 = 231540037539
BaseRepresentation
bin10110111100101100…
…01101110100011000
31011210121211002202222
423132112031310120
5200212444102222
65354310443212
7614210552615
oct133626156430
934717732688
1012320300312
115252540a81
12247a063508
13121461c638
1484c39750c
154c193e542
hex2de58dd18

12320300312 has 8 divisors (see below), whose sum is σ = 23100563100. Its totient is φ = 6160150152.

The previous prime is 12320300309. The next prime is 12320300327. The reversal of 12320300312 is 21300302321.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770018762 + ... + 770018777.

Almost surely, 212320300312 is an apocalyptic number.

It is an amenable number.

12320300312 is a deficient number, since it is larger than the sum of its proper divisors (10780262788).

12320300312 is a wasteful number, since it uses less digits than its factorization.

12320300312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540037545 (or 1540037541 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12320300312 its reverse (21300302321), we get a palindrome (33620602633).

The spelling of 12320300312 in words is "twelve billion, three hundred twenty million, three hundred thousand, three hundred twelve".

Divisors: 1 2 4 8 1540037539 3080075078 6160150156 12320300312