Base | Representation |
---|---|
bin | 111100101010101100… |
… | …100010011011100100 |
3 | 20020010202221220211200 |
4 | 330222230202123210 |
5 | 2031402022443001 |
6 | 45531510002500 |
7 | 4464151621035 |
oct | 745254423344 |
9 | 206122856750 |
10 | 65140827876 |
11 | 25698332143 |
12 | 1075b646430 |
13 | 61b1825b87 |
14 | 321d532a8c |
15 | 1a63c26086 |
hex | f2ab226e4 |
65140827876 has 72 divisors (see below), whose sum is σ = 170534844480. Its totient is φ = 20940825024.
The previous prime is 65140827859. The next prime is 65140827877. The reversal of 65140827876 is 67872804156.
65140827876 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (65140827877) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 886521 + ... + 957183.
Almost surely, 265140827876 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 65140827876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85267422240).
65140827876 is an abundant number, since it is smaller than the sum of its proper divisors (105394016604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
65140827876 is a wasteful number, since it uses less digits than its factorization.
65140827876 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71585 (or 71580 counting only the distinct ones).
The product of its (nonzero) digits is 4515840, while the sum is 54.
The spelling of 65140827876 in words is "sixty-five billion, one hundred forty million, eight hundred twenty-seven thousand, eight hundred seventy-six".
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