Base | Representation |
---|---|
bin | 110010100101110010… |
… | …010101110000100000 |
3 | 12012012201121222100111 |
4 | 302211302111300200 |
5 | 1342222141411022 |
6 | 40542120301104 |
7 | 3632061155110 |
oct | 624562256040 |
9 | 165181558314 |
10 | 54321044512 |
11 | 210458a4819 |
12 | a640011794 |
13 | 5179049bb7 |
14 | 28b4575040 |
15 | 162ddd4477 |
hex | ca5c95c20 |
54321044512 has 96 divisors (see below), whose sum is σ = 127720599552. Its totient is φ = 22236090624.
The previous prime is 54321044509. The next prime is 54321044513. The reversal of 54321044512 is 21544012345.
It is not an unprimeable number, because it can be changed into a prime (54321044513) 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, 3738253 + ... + 3752755.
It is an arithmetic number, because the mean of its divisors is an integer number (1330422912).
Almost surely, 254321044512 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 54321044512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63860299776).
54321044512 is an abundant number, since it is smaller than the sum of its proper divisors (73399555040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54321044512 is a wasteful number, since it uses less digits than its factorization.
54321044512 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15270 (or 15262 counting only the distinct ones).
The product of its (nonzero) digits is 19200, while the sum is 31.
Adding to 54321044512 its reverse (21544012345), we get a palindrome (75865056857).
The spelling of 54321044512 in words is "fifty-four billion, three hundred twenty-one million, forty-four thousand, five hundred twelve".
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