Base | Representation |
---|---|
bin | 100111101101001100… |
… | …1110011111100001001 |
3 | 22011002111212120101121 |
4 | 1033122121303330021 |
5 | 2344112223444212 |
6 | 103101041315241 |
7 | 6106014645325 |
oct | 1173231637411 |
9 | 264074776347 |
10 | 85268578057 |
11 | 33186986823 |
12 | 14638335b21 |
13 | 806b80c220 |
14 | 41ac790985 |
15 | 2340cc8d07 |
hex | 13da673f09 |
85268578057 has 16 divisors (see below), whose sum is σ = 92366144640. Its totient is φ = 78249225600.
The previous prime is 85268578037. The next prime is 85268578061. The reversal of 85268578057 is 75087586258.
It is not a de Polignac number, because 85268578057 - 211 = 85268576009 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 85268577986 and 85268578004.
It is not an unprimeable number, because it can be changed into a prime (85268578037) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1577082 + ... + 1630252.
It is an arithmetic number, because the mean of its divisors is an integer number (5772884040).
Almost surely, 285268578057 is an apocalyptic number.
It is an amenable number.
85268578057 is a deficient number, since it is larger than the sum of its proper divisors (7097566583).
85268578057 is a wasteful number, since it uses less digits than its factorization.
85268578057 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53904.
The product of its (nonzero) digits is 37632000, while the sum is 61.
The spelling of 85268578057 in words is "eighty-five billion, two hundred sixty-eight million, five hundred seventy-eight thousand, fifty-seven".
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