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12331142072 = 235997269333
BaseRepresentation
bin10110111101111111…
…00100101110111000
31011211101012220212122
423132333210232320
5200223233021242
65355335100412
7614401656344
oct133677445670
934741186778
1012331142072
115258676607
122481811708
131216947392
1484d9ba624
154c2881ad2
hex2defe4bb8

12331142072 has 32 divisors (see below), whose sum is σ = 23755258800. Its totient is φ = 5998562304.

The previous prime is 12331142071. The next prime is 12331142129. The reversal of 12331142072 is 27024113321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331142071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88883 + ... + 180450.

Almost surely, 212331142072 is an apocalyptic number.

It is an amenable number.

12331142072 is a deficient number, since it is larger than the sum of its proper divisors (11424116728).

12331142072 is a wasteful number, since it uses less digits than its factorization.

12331142072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269495 (or 269491 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

Adding to 12331142072 its reverse (27024113321), we get a palindrome (39355255393).

The spelling of 12331142072 in words is "twelve billion, three hundred thirty-one million, one hundred forty-two thousand, seventy-two".

Divisors: 1 2 4 8 59 97 118 194 236 388 472 776 5723 11446 22892 45784 269333 538666 1077332 2154664 15890647 26125301 31781294 52250602 63562588 104501204 127125176 209002408 1541392759 3082785518 6165571036 12331142072