Base | Representation |
---|---|
bin | 110000100001101101… |
… | …101111000101100001 |
3 | 11222111022012200212211 |
4 | 300201231233011201 |
5 | 1323202420320100 |
6 | 35534204122121 |
7 | 3523134163231 |
oct | 604155570541 |
9 | 158438180784 |
10 | 52105245025 |
11 | 20109063879 |
12 | a121b36341 |
13 | 4bb4c76042 |
14 | 2744183cc1 |
15 | 154e5e61ba |
hex | c21b6f161 |
52105245025 has 6 divisors (see below), whose sum is σ = 64610503862. Its totient is φ = 41684196000.
The previous prime is 52105245001. The next prime is 52105245037. The reversal of 52105245025 is 52054250125.
It is a happy number.
It can be written as a sum of positive squares in 3 ways, for example, as 1106959441 + 50998285584 = 33271^2 + 225828^2 .
It is not a de Polignac number, because 52105245025 - 25 = 52105244993 is a prime.
It is a Duffinian number.
It is an unprimeable number.
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 5 ways as a sum of consecutive naturals, for example, 1042104876 + ... + 1042104925.
Almost surely, 252105245025 is an apocalyptic number.
It is an amenable number.
52105245025 is a deficient number, since it is larger than the sum of its proper divisors (12505258837).
52105245025 is a wasteful number, since it uses less digits than its factorization.
52105245025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2084209811 (or 2084209806 counting only the distinct ones).
The product of its (nonzero) digits is 20000, while the sum is 31.
The spelling of 52105245025 in words is "fifty-two billion, one hundred five million, two hundred forty-five thousand, twenty-five".
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