Base | Representation |
---|---|
bin | 110010100000010111… |
… | …111000000111000011 |
3 | 12011222101201200021000 |
4 | 302200113320013003 |
5 | 1342030414040001 |
6 | 40525113503043 |
7 | 3626606163213 |
oct | 624027700703 |
9 | 164871650230 |
10 | 54230221251 |
11 | 20aa9600978 |
12 | a615711a83 |
13 | 516329a31b |
14 | 28a6492243 |
15 | 1625e43a86 |
hex | ca05f81c3 |
54230221251 has 32 divisors (see below), whose sum is σ = 80858718720. Its totient is φ = 35920819872.
The previous prime is 54230221237. The next prime is 54230221271. The reversal of 54230221251 is 15212203245.
It is not a de Polignac number, because 54230221251 - 25 = 54230221219 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (54230221271) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9745596 + ... + 9751158.
It is an arithmetic number, because the mean of its divisors is an integer number (2526834960).
Almost surely, 254230221251 is an apocalyptic number.
54230221251 is a deficient number, since it is larger than the sum of its proper divisors (26628497469).
54230221251 is a wasteful number, since it uses less digits than its factorization.
54230221251 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7832 (or 7826 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 27.
Adding to 54230221251 its reverse (15212203245), we get a palindrome (69442424496).
The spelling of 54230221251 in words is "fifty-four billion, two hundred thirty million, two hundred twenty-one thousand, two hundred fifty-one".
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