Base | Representation |
---|---|
bin | 1100110001000111… |
… | …11001000100000000 |
3 | 122200200222100000000 |
4 | 12120203321010000 |
5 | 103014223403041 |
6 | 3052100000000 |
7 | 331601253420 |
oct | 63043710400 |
9 | 18620870000 |
10 | 6854512896 |
11 | 29a8214aa0 |
12 | 13b3690000 |
13 | 8531271ba |
14 | 4904c8480 |
15 | 2a1b7bbb6 |
hex | 1988f9100 |
6854512896 has 648 divisors, whose sum is σ = 26069045184. Its totient is φ = 1746800640.
The previous prime is 6854512891. The next prime is 6854512909. The reversal of 6854512896 is 6982154586.
6854512896 is a `hidden beast` number, since 6 + 8 + 545 + 1 + 2 + 8 + 96 = 666.
It is a tau number, because it is divible by the number of its divisors (648).
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (6854512891) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 129330406 + ... + 129330458.
It is an arithmetic number, because the mean of its divisors is an integer number (40230008).
Almost surely, 26854512896 is an apocalyptic number.
6854512896 is a gapful number since it is divisible by the number (66) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 6854512896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13034522592).
6854512896 is an abundant number, since it is smaller than the sum of its proper divisors (19214532288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6854512896 is an frugal number, since it uses more digits than its factorization.
6854512896 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 111 (or 76 counting only the distinct ones).
The product of its digits is 4147200, while the sum is 54.
The square root of 6854512896 is about 82791.9856991001. The cubic root of 6854512896 is about 1899.5855879195.
The spelling of 6854512896 in words is "six billion, eight hundred fifty-four million, five hundred twelve thousand, eight hundred ninety-six".
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