Base | Representation |
---|---|
bin | 111100111010001101… |
… | …001101010111000000 |
3 | 20020210220121121020212 |
4 | 330322031031113000 |
5 | 2032420132104220 |
6 | 50013403253252 |
7 | 4503461520536 |
oct | 747215152700 |
9 | 206726547225 |
10 | 65401050560 |
11 | 2581120830a |
12 | 1081281a228 |
13 | 62237075b1 |
14 | 3245d10156 |
15 | 1a7b9c90c5 |
hex | f3a34d5c0 |
65401050560 has 112 divisors (see below), whose sum is σ = 161453779200. Its totient is φ = 25203892224.
The previous prime is 65401050541. The next prime is 65401050569. The reversal of 65401050560 is 6505010456.
65401050560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×654010505603 (a number of 33 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (65401050569) 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, 4437764 + ... + 4452476.
It is an arithmetic number, because the mean of its divisors is an integer number (1441551600).
Almost surely, 265401050560 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 65401050560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80726889600).
65401050560 is an abundant number, since it is smaller than the sum of its proper divisors (96052728640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
65401050560 is a wasteful number, since it uses less digits than its factorization.
65401050560 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15238 (or 15228 counting only the distinct ones).
The product of its (nonzero) digits is 18000, while the sum is 32.
The spelling of 65401050560 in words is "sixty-five billion, four hundred one million, fifty thousand, five hundred sixty".
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