Base | Representation |
---|---|
bin | 110100101010000111… |
… | …001100101111110100 |
3 | 12101221110001202000012 |
4 | 310222013030233310 |
5 | 1411244010331030 |
6 | 41550304035352 |
7 | 4041066315062 |
oct | 645207145764 |
9 | 171843052005 |
10 | 56541105140 |
11 | 21a84a86173 |
12 | ab5b602b58 |
13 | 5440c83440 |
14 | 2a45355032 |
15 | 170dc65095 |
hex | d2a1ccbf4 |
56541105140 has 48 divisors (see below), whose sum is σ = 127902322128. Its totient is φ = 20871419904.
The previous prime is 56541105133. The next prime is 56541105169. The reversal of 56541105140 is 4150114565.
It can be written as a sum of positive squares in 8 ways, for example, as 26955729124 + 29585376016 = 164182^2 + 172004^2 .
It is a junction number, because it is equal to n+sod(n) for n = 56541105097 and 56541105106.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1085534 + ... + 1136426.
It is an arithmetic number, because the mean of its divisors is an integer number (2664631711).
Almost surely, 256541105140 is an apocalyptic number.
It is an amenable number.
56541105140 is an abundant number, since it is smaller than the sum of its proper divisors (71361216988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56541105140 is a wasteful number, since it uses less digits than its factorization.
56541105140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55188 (or 55186 counting only the distinct ones).
The product of its (nonzero) digits is 12000, while the sum is 32.
The spelling of 56541105140 in words is "fifty-six billion, five hundred forty-one million, one hundred five thousand, one hundred forty".
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