Base | Representation |
---|---|
bin | 110000011100101100… |
… | …110010101001110100 |
3 | 11222021102220021021002 |
4 | 300130230302221310 |
5 | 1323014401031122 |
6 | 35522000542432 |
7 | 3521063102564 |
oct | 603454625164 |
9 | 158242807232 |
10 | 52021111412 |
11 | 20075619a66 |
12 | a0b9921a18 |
13 | 4ba06c933a |
14 | 2736d22da4 |
15 | 1547027992 |
hex | c1cb32a74 |
52021111412 has 24 divisors (see below), whose sum is σ = 95953069800. Its totient is φ = 24639794816.
The previous prime is 52021111393. The next prime is 52021111453. The reversal of 52021111412 is 21411112025.
It can be written as a sum of positive squares in 4 ways, for example, as 9322674916 + 42698436496 = 96554^2 + 206636^2 .
It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 4224587 + ... + 4236882.
It is an arithmetic number, because the mean of its divisors is an integer number (3998044575).
Almost surely, 252021111412 is an apocalyptic number.
It is an amenable number.
52021111412 is a deficient number, since it is larger than the sum of its proper divisors (43931958388).
52021111412 is a wasteful number, since it uses less digits than its factorization.
52021111412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8461555 (or 8461553 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 20.
Adding to 52021111412 its reverse (21411112025), we get a palindrome (73432223437).
The spelling of 52021111412 in words is "fifty-two billion, twenty-one million, one hundred eleven thousand, four hundred twelve".
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