Base | Representation |
---|---|
bin | 1011111011000000100011… |
… | …0001000111101010010110 |
3 | 1201102011001001021220211220 |
4 | 2332300020301013222112 |
5 | 3204231434121002213 |
6 | 43513524320111210 |
7 | 2522023025320662 |
oct | 276601061075226 |
9 | 51364031256756 |
10 | 13108387281558 |
11 | 41a4265981648 |
12 | 15785b0465506 |
13 | 74116701854a |
14 | 334640d638a2 |
15 | 17aea4dbbe23 |
hex | bec08c47a96 |
13108387281558 has 64 divisors (see below), whose sum is σ = 27710651020800. Its totient is φ = 4122418717440.
The previous prime is 13108387281553. The next prime is 13108387281571. The reversal of 13108387281558 is 85518278380131.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13108387281551) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26832810 + ... + 27316962.
It is an arithmetic number, because the mean of its divisors is an integer number (432978922200).
Almost surely, 213108387281558 is an apocalyptic number.
13108387281558 is an abundant number, since it is smaller than the sum of its proper divisors (14602263739242).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13108387281558 is a wasteful number, since it uses less digits than its factorization.
13108387281558 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 485157.
The product of its (nonzero) digits is 12902400, while the sum is 60.
The spelling of 13108387281558 in words is "thirteen trillion, one hundred eight billion, three hundred eighty-seven million, two hundred eighty-one thousand, five hundred fifty-eight".
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