Base | Representation |
---|---|
bin | 110000011100010101… |
… | …111100001011100001 |
3 | 11222021000121221010110 |
4 | 300130111330023201 |
5 | 1323011332333441 |
6 | 35521224321533 |
7 | 3520661143305 |
oct | 603425741341 |
9 | 158230557113 |
10 | 52015121121 |
11 | 200721a8407 |
12 | a0b79132a9 |
13 | 4b9c3ac8a2 |
14 | 2736203d05 |
15 | 1546742b16 |
hex | c1c57c2e1 |
52015121121 has 8 divisors (see below), whose sum is σ = 69362077824. Its totient is φ = 34672455920.
The previous prime is 52015121117. The next prime is 52015121149. The reversal of 52015121121 is 12112151025.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 52015121121 - 22 = 52015121117 is a prime.
It is a super-3 number, since 3×520151211213 (a number of 33 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (52015121101) 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 7 ways as a sum of consecutive naturals, for example, 1044486 + ... + 1093151.
It is an arithmetic number, because the mean of its divisors is an integer number (8670259728).
Almost surely, 252015121121 is an apocalyptic number.
It is an amenable number.
52015121121 is a deficient number, since it is larger than the sum of its proper divisors (17346956703).
52015121121 is a wasteful number, since it uses less digits than its factorization.
52015121121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2145751.
The product of its (nonzero) digits is 200, while the sum is 21.
Adding to 52015121121 its reverse (12112151025), we get a palindrome (64127272146).
The spelling of 52015121121 in words is "fifty-two billion, fifteen million, one hundred twenty-one thousand, one hundred twenty-one".
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