Base | Representation |
---|---|
bin | 110010011001010100… |
… | …111100100010000100 |
3 | 12011200011022001020011 |
4 | 302121110330202010 |
5 | 1341310133344140 |
6 | 40505252120004 |
7 | 3623642342104 |
oct | 623124744204 |
9 | 164604261204 |
10 | 54112012420 |
11 | 20a48902924 |
12 | a5a2006004 |
13 | 514494c77b |
14 | 28948c1204 |
15 | 161a893cea |
hex | c9953c884 |
54112012420 has 24 divisors (see below), whose sum is σ = 115235725248. Its totient is φ = 21339948000.
The previous prime is 54112012417. The next prime is 54112012499. The reversal of 54112012420 is 2421021145.
It is a junction number, because it is equal to n+sod(n) for n = 54112012391 and 54112012400.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19052106 + ... + 19054945.
It is an arithmetic number, because the mean of its divisors is an integer number (4801488552).
Almost surely, 254112012420 is an apocalyptic number.
It is an amenable number.
54112012420 is an abundant number, since it is smaller than the sum of its proper divisors (61123712828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54112012420 is a wasteful number, since it uses less digits than its factorization.
54112012420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38107131 (or 38107129 counting only the distinct ones).
The product of its (nonzero) digits is 640, while the sum is 22.
Adding to 54112012420 its reverse (2421021145), we get a palindrome (56533033565).
The spelling of 54112012420 in words is "fifty-four billion, one hundred twelve million, twelve thousand, four hundred twenty".
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