Base | Representation |
---|---|
bin | 1010111101010111011… |
… | …0111110101010110101 |
3 | 122222221222010212010002 |
4 | 2233111312332222311 |
5 | 11041040004200310 |
6 | 222254000441045 |
7 | 16413354540401 |
oct | 2572566765265 |
9 | 588858125102 |
10 | 188271553205 |
11 | 7293342456a |
12 | 305a3919185 |
13 | 149a5505428 |
14 | 9180590101 |
15 | 4d6d993da5 |
hex | 2bd5dbeab5 |
188271553205 has 16 divisors (see below), whose sum is σ = 230229264384. Its totient is φ = 147761206080.
The previous prime is 188271553201. The next prime is 188271553237. The reversal of 188271553205 is 502355172881.
It is not a de Polignac number, because 188271553205 - 22 = 188271553201 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 188271553205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (188271553201) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 689039 + ... + 922668.
It is an arithmetic number, because the mean of its divisors is an integer number (14389329024).
Almost surely, 2188271553205 is an apocalyptic number.
It is an amenable number.
188271553205 is a deficient number, since it is larger than the sum of its proper divisors (41957711179).
188271553205 is a wasteful number, since it uses less digits than its factorization.
188271553205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1612156.
The product of its (nonzero) digits is 672000, while the sum is 47.
The spelling of 188271553205 in words is "one hundred eighty-eight billion, two hundred seventy-one million, five hundred fifty-three thousand, two hundred five".
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