Base | Representation |
---|---|
bin | 1111110111001011100… |
… | …00000010000010110000 |
3 | 1221002210102010200121012 |
4 | 13323211300002002300 |
5 | 32412200213444130 |
6 | 1054213503450052 |
7 | 54243054261440 |
oct | 7734560020260 |
9 | 1832712120535 |
10 | 545020453040 |
11 | 1a0161923188 |
12 | 897662b6928 |
13 | 3c51a3705bb |
14 | 1c544498120 |
15 | e29d261995 |
hex | 7ee5c020b0 |
545020453040 has 40 divisors (see below), whose sum is σ = 1448197205280. Its totient is φ = 186864155136.
The previous prime is 545020453037. The next prime is 545020453049. The reversal of 545020453040 is 40354020545.
It is a tau number, because it is divible by the number of its divisors (40).
It is a junction number, because it is equal to n+sod(n) for n = 545020452988 and 545020453006.
It is not an unprimeable number, because it can be changed into a prime (545020453049) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486624845 + ... + 486625964.
It is an arithmetic number, because the mean of its divisors is an integer number (36204930132).
Almost surely, 2545020453040 is an apocalyptic number.
It is an amenable number.
545020453040 is an abundant number, since it is smaller than the sum of its proper divisors (903176752240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
545020453040 is a wasteful number, since it uses less digits than its factorization.
545020453040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 973250829 (or 973250823 counting only the distinct ones).
The product of its (nonzero) digits is 48000, while the sum is 32.
Adding to 545020453040 its reverse (40354020545), we get a palindrome (585374473585).
The spelling of 545020453040 in words is "five hundred forty-five billion, twenty million, four hundred fifty-three thousand, forty".
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