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545020453040 = 2457973250809
BaseRepresentation
bin1111110111001011100…
…00000010000010110000
31221002210102010200121012
413323211300002002300
532412200213444130
61054213503450052
754243054261440
oct7734560020260
91832712120535
10545020453040
111a0161923188
12897662b6928
133c51a3705bb
141c544498120
15e29d261995
hex7ee5c020b0

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".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 973250809 1946501618 3893003236 4866254045 6812755663 7786006472 9732508090 13625511326 15572012944 19465016180 27251022652 34063778315 38930032360 54502045304 68127556630 77860064720 109004090608 136255113260 272510226520 545020453040