Base | Representation |
---|---|
bin | 110011101100101011… |
… | …110000001011001101 |
3 | 12022021121210120121010 |
4 | 303230223300023031 |
5 | 1402141142000140 |
6 | 41300130355433 |
7 | 4003413315360 |
oct | 635453601315 |
9 | 168247716533 |
10 | 55510500045 |
11 | 215a6259320 |
12 | a91242bb79 |
13 | 53085bba40 |
14 | 298851c0d7 |
15 | 169d53a880 |
hex | cecaf02cd |
55510500045 has 256 divisors, whose sum is σ = 123425906688. Its totient is φ = 20558499840.
The previous prime is 55510500037. The next prime is 55510500049. The reversal of 55510500045 is 54000501555.
It is not a de Polignac number, because 55510500045 - 23 = 55510500037 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 55510499985 and 55510500021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55510500049) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 90555159 + ... + 90555771.
It is an arithmetic number, because the mean of its divisors is an integer number (482132448).
Almost surely, 255510500045 is an apocalyptic number.
55510500045 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
55510500045 is an abundant number, since it is smaller than the sum of its proper divisors (67915406643).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55510500045 is a wasteful number, since it uses less digits than its factorization.
55510500045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 852.
The product of its (nonzero) digits is 12500, while the sum is 30.
It can be divided in two parts, 55510 and 500045, that added together give a palindrome (555555).
The spelling of 55510500045 in words is "fifty-five billion, five hundred ten million, five hundred thousand, forty-five".
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