Base | Representation |
---|---|
bin | 1010111100110100100… |
… | …0010011000101011011 |
3 | 122222120202120011210111 |
4 | 2233031020103011123 |
5 | 11040240011121311 |
6 | 222231245425151 |
7 | 16406625644302 |
oct | 2571510230533 |
9 | 588522504714 |
10 | 188125098331 |
11 | 72868793885 |
12 | 3056286b1b7 |
13 | 14981078041 |
14 | 9168d49439 |
15 | 4d60bb4d21 |
hex | 2bcd21315b |
188125098331 has 4 divisors (see below), whose sum is σ = 188127161200. Its totient is φ = 188123035464.
The previous prime is 188125098307. The next prime is 188125098401. The reversal of 188125098331 is 133890521881.
188125098331 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: 133890521881 = 43 ⋅3113733067.
It is a cyclic number.
It is not a de Polignac number, because 188125098331 - 215 = 188125065563 is a prime.
It is a super-2 number, since 2×1881250983312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (188125078331) 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, 887991 + ... + 1079248.
It is an arithmetic number, because the mean of its divisors is an integer number (47031790300).
Almost surely, 2188125098331 is an apocalyptic number.
188125098331 is a deficient number, since it is larger than the sum of its proper divisors (2062869).
188125098331 is an equidigital number, since it uses as much as digits as its factorization.
188125098331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2062868.
The product of its (nonzero) digits is 414720, while the sum is 49.
The spelling of 188125098331 in words is "one hundred eighty-eight billion, one hundred twenty-five million, ninety-eight thousand, three hundred thirty-one".
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