Base | Representation |
---|---|
bin | 110011010011011100… |
… | …010110011011001100 |
3 | 12021012002222011122220 |
4 | 303103130112123030 |
5 | 1400304240011022 |
6 | 41150122135340 |
7 | 3660052021605 |
oct | 632334263314 |
9 | 167162864586 |
10 | 55087032012 |
11 | 213a9214541 |
12 | a814651550 |
13 | 526b95163c |
14 | 29481a8dac |
15 | 167628d85c |
hex | cd37166cc |
55087032012 has 24 divisors (see below), whose sum is σ = 132968698800. Its totient is φ = 17729159616.
The previous prime is 55087031977. The next prime is 55087032019. The reversal of 55087032012 is 21023078055.
It is a super-5 number, since 5×550870320125 (a number of 55 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (55087032019) 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 7 ways as a sum of consecutive naturals, for example, 79147687 + ... + 79148382.
It is an arithmetic number, because the mean of its divisors is an integer number (5540362450).
Almost surely, 255087032012 is an apocalyptic number.
It is an amenable number.
55087032012 is an abundant number, since it is smaller than the sum of its proper divisors (77881666788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55087032012 is a wasteful number, since it uses less digits than its factorization.
55087032012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 158296105 (or 158296103 counting only the distinct ones).
The product of its (nonzero) digits is 16800, while the sum is 33.
The spelling of 55087032012 in words is "fifty-five billion, eighty-seven million, thirty-two thousand, twelve".
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