Base | Representation |
---|---|
bin | 11000000110110110… |
… | …01010001010110000 |
3 | 1020101222022122202002 |
4 | 30003123022022300 |
5 | 203001220244242 |
6 | 5540131313132 |
7 | 635503120535 |
oct | 140333121260 |
9 | 36358278662 |
10 | 12942353072 |
11 | 5541691470 |
12 | 261244b7a8 |
13 | 12b3469aac |
14 | 8aac40d8c |
15 | 50b366432 |
hex | 3036ca2b0 |
12942353072 has 20 divisors (see below), whose sum is σ = 27355428456. Its totient is φ = 5882887680.
The previous prime is 12942353071. The next prime is 12942353107. The reversal of 12942353072 is 27035324921.
It is not an unprimeable number, because it can be changed into a prime (12942353071) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36767873 + ... + 36768224.
Almost surely, 212942353072 is an apocalyptic number.
It is an amenable number.
12942353072 is an abundant number, since it is smaller than the sum of its proper divisors (14413075384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12942353072 is a wasteful number, since it uses less digits than its factorization.
12942353072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73536116 (or 73536110 counting only the distinct ones).
The product of its (nonzero) digits is 90720, while the sum is 38.
Adding to 12942353072 its reverse (27035324921), we get a palindrome (39977677993).
The spelling of 12942353072 in words is "twelve billion, nine hundred forty-two million, three hundred fifty-three thousand, seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •