Base | Representation |
---|---|
bin | 1010111100110100000… |
… | …0000011100100111111 |
3 | 122222120121111101220202 |
4 | 2233031000003210333 |
5 | 11040233433001123 |
6 | 222231131234115 |
7 | 16406601405053 |
oct | 2571500034477 |
9 | 588517441822 |
10 | 188122937663 |
11 | 72867548501 |
12 | 30561ba893b |
13 | 1498079c73b |
14 | 9168945c63 |
15 | 4d608d9a28 |
hex | 2bcd00393f |
188122937663 has 4 divisors (see below), whose sum is σ = 188132977368. Its totient is φ = 188112897960.
The previous prime is 188122937633. The next prime is 188122937773. The reversal of 188122937663 is 366739221881.
188122937663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366739221881 = 14033 ⋅26134057.
It is a cyclic number.
It is not a de Polignac number, because 188122937663 - 216 = 188122872127 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 188122937599 and 188122937608.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (188122937623) 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 3 ways as a sum of consecutive naturals, for example, 4991693 + ... + 5029238.
It is an arithmetic number, because the mean of its divisors is an integer number (47033244342).
Almost surely, 2188122937663 is an apocalyptic number.
188122937663 is a deficient number, since it is larger than the sum of its proper divisors (10039705).
188122937663 is a wasteful number, since it uses less digits than its factorization.
188122937663 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10039704.
The product of its digits is 5225472, while the sum is 56.
The spelling of 188122937663 in words is "one hundred eighty-eight billion, one hundred twenty-two million, nine hundred thirty-seven thousand, six hundred sixty-three".
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