Base | Representation |
---|---|
bin | 110101011101111100… |
… | …110000000010001001 |
3 | 12111012001111212110010 |
4 | 311131330300002021 |
5 | 1420034130000241 |
6 | 42212452142133 |
7 | 4101456406125 |
oct | 653574600211 |
9 | 174161455403 |
10 | 57410781321 |
11 | 22390986813 |
12 | b162907949 |
13 | 554c1c062a |
14 | 2ac8a5a585 |
15 | 17602a1d16 |
hex | d5df30089 |
57410781321 has 16 divisors (see below), whose sum is σ = 80254448640. Its totient is φ = 36436258320.
The previous prime is 57410781301. The next prime is 57410781331. The reversal of 57410781321 is 12318701475.
It is a happy number.
It is not a de Polignac number, because 57410781321 - 27 = 57410781193 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 57410781321.
It is not an unprimeable number, because it can be changed into a prime (57410781301) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 1957101 + ... + 1986218.
It is an arithmetic number, because the mean of its divisors is an integer number (5015903040).
Almost surely, 257410781321 is an apocalyptic number.
It is an amenable number.
57410781321 is a deficient number, since it is larger than the sum of its proper divisors (22843667319).
57410781321 is a wasteful number, since it uses less digits than its factorization.
57410781321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3943556.
The product of its (nonzero) digits is 47040, while the sum is 39.
The spelling of 57410781321 in words is "fifty-seven billion, four hundred ten million, seven hundred eighty-one thousand, three hundred twenty-one".
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