Base | Representation |
---|---|
bin | 1111110111101110010… |
… | …10001100111100101000 |
3 | 1221010112202201112112200 |
4 | 13323313022030330220 |
5 | 32413300001313440 |
6 | 1054302455540200 |
7 | 54253231664445 |
oct | 7736712147450 |
9 | 1833482645480 |
10 | 545312526120 |
11 | 1a02a1782a9a |
12 | 8982808a660 |
13 | 3c565a242cb |
14 | 1c5711a69cc |
15 | e2b8c06c30 |
hex | 7ef728cf28 |
545312526120 has 96 divisors (see below), whose sum is σ = 1772364714120. Its totient is φ = 145408550400.
The previous prime is 545312526107. The next prime is 545312526127. The reversal of 545312526120 is 21625213545.
545312526120 is a `hidden beast` number, since 5 + 4 + 5 + 3 + 1 + 2 + 526 + 120 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 322639904196 + 222672621924 = 568014^2 + 471882^2 .
It is a super-2 number, since 2×5453125261202 (a number of 24 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (545312526127) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9228670 + ... + 9287570.
Almost surely, 2545312526120 is an apocalyptic number.
It is an amenable number.
545312526120 is an abundant number, since it is smaller than the sum of its proper divisors (1227052188000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
545312526120 is a wasteful number, since it uses less digits than its factorization.
545312526120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84635 (or 84628 counting only the distinct ones).
The product of its (nonzero) digits is 72000, while the sum is 36.
Adding to 545312526120 its reverse (21625213545), we get a palindrome (566937739665).
The spelling of 545312526120 in words is "five hundred forty-five billion, three hundred twelve million, five hundred twenty-six thousand, one hundred twenty".
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