Base | Representation |
---|---|
bin | 1111111010000100… |
… | …11111100010010001 |
3 | 211001011222222100122 |
4 | 13331002133202101 |
5 | 114442301201101 |
6 | 3531235200025 |
7 | 421430660465 |
oct | 77502374221 |
9 | 24034888318 |
10 | 8540256401 |
11 | 3692830046 |
12 | 17a4146015 |
13 | a61451671 |
14 | 5b033c4a5 |
15 | 34eb6651b |
hex | 1fd09f891 |
8540256401 has 16 divisors (see below), whose sum is σ = 9189980160. Its totient is φ = 7910894160.
The previous prime is 8540256379. The next prime is 8540256409. The reversal of 8540256401 is 1046520458.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-8540256401 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8540256409) 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, 1041620 + ... + 1049786.
It is an arithmetic number, because the mean of its divisors is an integer number (574373760).
Almost surely, 28540256401 is an apocalyptic number.
It is an amenable number.
8540256401 is a deficient number, since it is larger than the sum of its proper divisors (649723759).
8540256401 is a wasteful number, since it uses less digits than its factorization.
8540256401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9404.
The product of its (nonzero) digits is 38400, while the sum is 35.
The square root of 8540256401 is about 92413.5076760968. The cubic root of 8540256401 is about 2044.0442965911.
Adding to 8540256401 its reverse (1046520458), we get a palindrome (9586776859).
The spelling of 8540256401 in words is "eight billion, five hundred forty million, two hundred fifty-six thousand, four hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •