Base | Representation |
---|---|
bin | 101000101100100101… |
… | …1101100111101101001 |
3 | 22100120202012202121202 |
4 | 1101121023230331221 |
5 | 2412441232222042 |
6 | 104052102413545 |
7 | 6212513136344 |
oct | 1213113547551 |
9 | 270522182552 |
10 | 87395585897 |
11 | 34078591244 |
12 | 14b307312b5 |
13 | 831a395149 |
14 | 433106b45b |
15 | 24178c8632 |
hex | 14592ecf69 |
87395585897 has 16 divisors (see below), whose sum is σ = 92404627200. Its totient is φ = 82522366080.
The previous prime is 87395585873. The next prime is 87395585917. The reversal of 87395585897 is 79858559378.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 87395585897 - 216 = 87395520361 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (87395587897) 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, 1776254 + ... + 1824792.
It is an arithmetic number, because the mean of its divisors is an integer number (5775289200).
Almost surely, 287395585897 is an apocalyptic number.
It is an amenable number.
87395585897 is a deficient number, since it is larger than the sum of its proper divisors (5009041303).
87395585897 is a wasteful number, since it uses less digits than its factorization.
87395585897 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49936.
The product of its digits is 762048000, while the sum is 74.
The spelling of 87395585897 in words is "eighty-seven billion, three hundred ninety-five million, five hundred eighty-five thousand, eight hundred ninety-seven".
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