Base | Representation |
---|---|
bin | 100111110101001111… |
… | …1001001001010000100 |
3 | 22011210022121111210111 |
4 | 1033222133021022010 |
5 | 2400140313124030 |
6 | 103143521002404 |
7 | 6115502332600 |
oct | 1175237111204 |
9 | 264708544714 |
10 | 85538411140 |
11 | 33305226376 |
12 | 146b2783404 |
13 | 80b26a7080 |
14 | 41d6550500 |
15 | 235982962a |
hex | 13ea7c9284 |
85538411140 has 72 divisors (see below), whose sum is σ = 225031853592. Its totient is φ = 27071493120.
The previous prime is 85538411129. The next prime is 85538411171. The reversal of 85538411140 is 4111483558.
It can be written as a sum of positive squares in 4 ways, for example, as 120165444 + 85418245696 = 10962^2 + 292264^2 .
It is a junction number, because it is equal to n+sod(n) for n = 85538411093 and 85538411102.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3344341 + ... + 3369820.
It is an arithmetic number, because the mean of its divisors is an integer number (3125442411).
Almost surely, 285538411140 is an apocalyptic number.
It is an amenable number.
85538411140 is an abundant number, since it is smaller than the sum of its proper divisors (139493442452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85538411140 is a wasteful number, since it uses less digits than its factorization.
85538411140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6714197 (or 6714188 counting only the distinct ones).
The product of its (nonzero) digits is 76800, while the sum is 40.
Adding to 85538411140 its reverse (4111483558), we get a palindrome (89649894698).
The spelling of 85538411140 in words is "eighty-five billion, five hundred thirty-eight million, four hundred eleven thousand, one hundred forty".
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