Base | Representation |
---|---|
bin | 11010011011110100… |
… | …100110010000100111 |
3 | 2201021010121200001100 |
4 | 122123310212100213 |
5 | 431112304413310 |
6 | 21012304531143 |
7 | 2023245350562 |
oct | 323364462047 |
9 | 81233550040 |
10 | 28384060455 |
11 | 11046075803 |
12 | 5601920ab3 |
13 | 28a466b15a |
14 | 15339a54d9 |
15 | b11d2bec0 |
hex | 69bd26427 |
28384060455 has 96 divisors (see below), whose sum is σ = 54578219904. Its totient is φ = 13573029888.
The previous prime is 28384060433. The next prime is 28384060457. The reversal of 28384060455 is 55406048382.
28384060455 is a `hidden beast` number, since 2 + 8 + 38 + 4 + 0 + 604 + 5 + 5 = 666.
It is not a de Polignac number, because 28384060455 - 211 = 28384058407 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 28384060455.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28384060457) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4518777 + ... + 4525053.
It is an arithmetic number, because the mean of its divisors is an integer number (568523124).
Almost surely, 228384060455 is an apocalyptic number.
28384060455 is a deficient number, since it is larger than the sum of its proper divisors (26194159449).
28384060455 is a wasteful number, since it uses less digits than its factorization.
28384060455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6585 (or 6582 counting only the distinct ones).
The product of its (nonzero) digits is 921600, while the sum is 45.
It can be divided in two parts, 28 and 384060455, that added together give a palindrome (384060483).
The spelling of 28384060455 in words is "twenty-eight billion, three hundred eighty-four million, sixty thousand, four hundred fifty-five".
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