Base | Representation |
---|---|
bin | 10110111101111111… |
… | …00100101110111000 |
3 | 1011211101012220212122 |
4 | 23132333210232320 |
5 | 200223233021242 |
6 | 5355335100412 |
7 | 614401656344 |
oct | 133677445670 |
9 | 34741186778 |
10 | 12331142072 |
11 | 5258676607 |
12 | 2481811708 |
13 | 1216947392 |
14 | 84d9ba624 |
15 | 4c2881ad2 |
hex | 2defe4bb8 |
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".
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