Base | Representation |
---|---|
bin | 110101100001111010… |
… | …000100000000000000 |
3 | 12111100200110112220111 |
4 | 311201322010000000 |
5 | 1420203124414121 |
6 | 42223223321104 |
7 | 4103224005331 |
oct | 654172040000 |
9 | 174320415814 |
10 | 57477185536 |
11 | 22415411231 |
12 | b180bb0194 |
13 | 555cba0574 |
14 | 2ad37c4288 |
15 | 176601c2e1 |
hex | d61e84000 |
57477185536 has 45 divisors (see below), whose sum is σ = 115012268301. Its totient is φ = 28723249152.
The previous prime is 57477185533. The next prime is 57477185581. The reversal of 57477185536 is 63558177475.
The square root of 57477185536 is 239744.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 1524121600 + 55953063936 = 39040^2 + 236544^2 .
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (57477185533) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 30686296 + ... + 30688168.
Almost surely, 257477185536 is an apocalyptic number.
57477185536 is the 239744-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 57477185536
57477185536 is an abundant number, since it is smaller than the sum of its proper divisors (57535082765).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57477185536 is an frugal number, since it uses more digits than its factorization.
57477185536 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3774 (or 1875 counting only the distinct ones).
The product of its digits is 24696000, while the sum is 58.
The spelling of 57477185536 in words is "fifty-seven billion, four hundred seventy-seven million, one hundred eighty-five thousand, five hundred thirty-six".
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