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12331230232 = 233314656809
BaseRepresentation
bin10110111101111111…
…11010010000011000
31011211101101101210211
423132333322100120
5200223243331412
65355341020504
7614402504356
oct133677722030
934741341724
1012331230232
115258726872
122481854734
131216978549
1484da007d6
154c289cca7
hex2deffa418

12331230232 has 16 divisors (see below), whose sum is σ = 23190913800. Its totient is φ = 6146986560.

The previous prime is 12331230221. The next prime is 12331230257. The reversal of 12331230232 is 23203213321.

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, 2325757 + ... + 2331052.

Almost surely, 212331230232 is an apocalyptic number.

It is an amenable number.

12331230232 is a deficient number, since it is larger than the sum of its proper divisors (10859683568).

12331230232 is a wasteful number, since it uses less digits than its factorization.

12331230232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4657146 (or 4657142 counting only the distinct ones).

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

Adding to 12331230232 its reverse (23203213321), we get a palindrome (35534443553).

The spelling of 12331230232 in words is "twelve billion, three hundred thirty-one million, two hundred thirty thousand, two hundred thirty-two".

Divisors: 1 2 4 8 331 662 1324 2648 4656809 9313618 18627236 37254472 1541403779 3082807558 6165615116 12331230232