Base | Representation |
---|---|
bin | 110010101010010100… |
… | …111100100100000000 |
3 | 12012102000222100122001 |
4 | 302222110330210000 |
5 | 1342401142201331 |
6 | 40553441153344 |
7 | 3634004533225 |
oct | 625224744400 |
9 | 165360870561 |
10 | 54397225216 |
11 | 210848a7484 |
12 | a66162b854 |
13 | 518ba70a39 |
14 | 28c072594c |
15 | 1635931561 |
hex | caa53c900 |
54397225216 has 72 divisors (see below), whose sum is σ = 110233410560. Its totient is φ = 26788091904.
The previous prime is 54397225213. The next prime is 54397225217. The reversal of 54397225216 is 61252279345.
It is a super-2 number, since 2×543972252162 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (54397225213) 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, 4513150 + ... + 4525186.
Almost surely, 254397225216 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 54397225216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55116705280).
54397225216 is an abundant number, since it is smaller than the sum of its proper divisors (55836185344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54397225216 is a wasteful number, since it uses less digits than its factorization.
54397225216 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12319 (or 12305 counting only the distinct ones).
The product of its digits is 907200, while the sum is 46.
The spelling of 54397225216 in words is "fifty-four billion, three hundred ninety-seven million, two hundred twenty-five thousand, two hundred sixteen".
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