Base | Representation |
---|---|
bin | 10110101000101011… |
… | …01110100010101010 |
3 | 1011100220212212220110 |
4 | 23110111232202222 |
5 | 144342003300132 |
6 | 5325512035150 |
7 | 610101460506 |
oct | 132425564252 |
9 | 34326785813 |
10 | 12152400042 |
11 | 5176793022 |
12 | 2431992ab6 |
13 | 11b88c3c73 |
14 | 833d6d306 |
15 | 4b1d261cc |
hex | 2d456e8aa |
12152400042 has 8 divisors (see below), whose sum is σ = 24304800096. Its totient is φ = 4050800012.
The previous prime is 12152399999. The next prime is 12152400047. The reversal of 12152400042 is 24000425121.
12152400042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
12152400042 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 12152399991 and 12152400018.
It is not an unprimeable number, because it can be changed into a prime (12152400047) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1012699998 + ... + 1012700009.
It is an arithmetic number, because the mean of its divisors is an integer number (3038100012).
Almost surely, 212152400042 is an apocalyptic number.
12152400042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12152400042 is a wasteful number, since it uses less digits than its factorization.
12152400042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2025400012.
The product of its (nonzero) digits is 640, while the sum is 21.
Adding to 12152400042 its reverse (24000425121), we get a palindrome (36152825163).
The spelling of 12152400042 in words is "twelve billion, one hundred fifty-two million, four hundred thousand, forty-two".
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