Base | Representation |
---|---|
bin | 110001000111110001… |
… | …100001011000000000 |
3 | 12001010210201012202000 |
4 | 301013301201120000 |
5 | 1331004401143043 |
6 | 40121414024000 |
7 | 3545016443001 |
oct | 610761413000 |
9 | 161123635660 |
10 | 52743771648 |
11 | 20406536327 |
12 | a27b948000 |
13 | 4c87340949 |
14 | 27a4cb91a8 |
15 | 158a6c42d3 |
hex | c47c61600 |
52743771648 has 80 divisors (see below), whose sum is σ = 156125267760. Its totient is φ = 17581252608.
The previous prime is 52743771599. The next prime is 52743771667. The reversal of 52743771648 is 84617734725.
52743771648 is a `hidden beast` number, since 527 + 4 + 3 + 7 + 71 + 6 + 48 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a junction number, because it is equal to n+sod(n) for n = 52743771594 and 52743771603.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1893865 + ... + 1921512.
It is an arithmetic number, because the mean of its divisors is an integer number (1951565847).
Almost surely, 252743771648 is an apocalyptic number.
It is an amenable number.
52743771648 is an abundant number, since it is smaller than the sum of its proper divisors (103381496112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52743771648 is an equidigital number, since it uses as much as digits as its factorization.
52743771648 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3815404 (or 3815382 counting only the distinct ones).
The product of its digits is 7902720, while the sum is 54.
The spelling of 52743771648 in words is "fifty-two billion, seven hundred forty-three million, seven hundred seventy-one thousand, six hundred forty-eight".
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