Base | Representation |
---|---|
bin | 10110011011000… |
… | …11001000001011 |
3 | 111002221112020120 |
4 | 23031203020023 |
5 | 341123214011 |
6 | 30355354323 |
7 | 4442555541 |
oct | 1315431013 |
9 | 432845216 |
10 | 188101131 |
11 | 971a6189 |
12 | 52bb29a3 |
13 | 2cc7c35a |
14 | 1ada5d91 |
15 | 117a8a06 |
hex | b36320b |
188101131 has 8 divisors (see below), whose sum is σ = 250866384. Its totient is φ = 125368320.
The previous prime is 188101129. The next prime is 188101181. The reversal of 188101131 is 131101881.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 188101131 - 21 = 188101129 is a prime.
It is a super-2 number, since 2×1881011312 = 70764070966958322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (188101181) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14155 + ... + 24011.
It is an arithmetic number, because the mean of its divisors is an integer number (31358298).
Almost surely, 2188101131 is an apocalyptic number.
188101131 is a deficient number, since it is larger than the sum of its proper divisors (62765253).
188101131 is an equidigital number, since it uses as much as digits as its factorization.
188101131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16221.
The product of its (nonzero) digits is 192, while the sum is 24.
The square root of 188101131 is about 13714.9965730947. The cubic root of 188101131 is about 572.9681338479.
The spelling of 188101131 in words is "one hundred eighty-eight million, one hundred one thousand, one hundred thirty-one".
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