Base | Representation |
---|---|
bin | 11010100101111110… |
… | …011001000100000001 |
3 | 2201201000010210222102 |
4 | 122211332121010001 |
5 | 431434411300001 |
6 | 21041231520145 |
7 | 2030414252411 |
oct | 324576310401 |
9 | 81630123872 |
10 | 28554400001 |
11 | 1112323a396 |
12 | 564a989055 |
13 | 2900a3bb9a |
14 | 154c466641 |
15 | b21c77e6b |
hex | 6a5f99101 |
28554400001 has 8 divisors (see below), whose sum is σ = 28686840000. Its totient is φ = 28422221040.
The previous prime is 28554399997. The next prime is 28554400027. The reversal of 28554400001 is 10000445582.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 28554400001 - 22 = 28554399997 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (28554400601) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155750 + ... + 285248.
It is an arithmetic number, because the mean of its divisors is an integer number (3585855000).
Almost surely, 228554400001 is an apocalyptic number.
It is an amenable number.
28554400001 is a deficient number, since it is larger than the sum of its proper divisors (132439999).
28554400001 is a wasteful number, since it uses less digits than its factorization.
28554400001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 130519.
The product of its (nonzero) digits is 6400, while the sum is 29.
Adding to 28554400001 its reverse (10000445582), we get a palindrome (38554845583).
The spelling of 28554400001 in words is "twenty-eight billion, five hundred fifty-four million, four hundred thousand, one".
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