Base | Representation |
---|---|
bin | 110011101111000010… |
… | …101010011000010111 |
3 | 12022101101020102201200 |
4 | 303233002222120113 |
5 | 1402231303410210 |
6 | 41304102323543 |
7 | 4004403501600 |
oct | 635702523027 |
9 | 168341212650 |
10 | 55550060055 |
11 | 21616619346 |
12 | a9237295b3 |
13 | 5313860229 |
14 | 298d898da7 |
15 | 16a1c520c0 |
hex | cef0aa617 |
55550060055 has 72 divisors (see below), whose sum is σ = 112759452000. Its totient is φ = 25223732352.
The previous prime is 55550060021. The next prime is 55550060057. The reversal of 55550060055 is 55006005555.
55550060055 is a `hidden beast` number, since 55 + 550 + 0 + 6 + 0 + 0 + 55 = 666.
It is not a de Polignac number, because 55550060055 - 213 = 55550051863 is a prime.
It is a super-2 number, since 2×555500600552 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55550060057) 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 71 ways as a sum of consecutive naturals, for example, 244006 + ... + 413084.
It is an arithmetic number, because the mean of its divisors is an integer number (1566103500).
Almost surely, 255550060055 is an apocalyptic number.
55550060055 is an abundant number, since it is smaller than the sum of its proper divisors (57209391945).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55550060055 is a wasteful number, since it uses less digits than its factorization.
55550060055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 169253 (or 169243 counting only the distinct ones).
The product of its (nonzero) digits is 93750, while the sum is 36.
The spelling of 55550060055 in words is "fifty-five billion, five hundred fifty million, sixty thousand, fifty-five".
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