Base | Representation |
---|---|
bin | 10110110001010… |
… | …00100101101011 |
3 | 111022102011110102 |
4 | 23120220211223 |
5 | 342344211313 |
6 | 30541540015 |
7 | 4506350651 |
oct | 1330504553 |
9 | 438364412 |
10 | 191007083 |
11 | 989004a3 |
12 | 53b7460b |
13 | 30758c57 |
14 | 1b520dd1 |
15 | 11b7ea58 |
hex | b62896b |
191007083 has 8 divisors (see below), whose sum is σ = 193559040. Its totient is φ = 188464320.
The previous prime is 191007049. The next prime is 191007199. The reversal of 191007083 is 380700191.
191007083 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-191007083 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (191009083) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46166 + ... + 50132.
It is an arithmetic number, because the mean of its divisors is an integer number (24194880).
Almost surely, 2191007083 is an apocalyptic number.
191007083 is a deficient number, since it is larger than the sum of its proper divisors (2551957).
191007083 is an equidigital number, since it uses as much as digits as its factorization.
191007083 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4597.
The product of its (nonzero) digits is 1512, while the sum is 29.
The square root of 191007083 is about 13820.5312126560. The cubic root of 191007083 is about 575.9036407659.
The spelling of 191007083 in words is "one hundred ninety-one million, seven thousand, eighty-three".
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