Base | Representation |
---|---|
bin | 10110111000001… |
… | …10000010011101 |
3 | 111101010020201011 |
4 | 23130012002131 |
5 | 343112223031 |
6 | 31013215221 |
7 | 4520146306 |
oct | 1334060235 |
9 | 441106634 |
10 | 191914141 |
11 | 9936aa31 |
12 | 54331511 |
13 | 309b5a83 |
14 | 1b6b97ad |
15 | 11cad6b1 |
hex | b70609d |
191914141 has 8 divisors (see below), whose sum is σ = 198871200. Its totient is φ = 184979760.
The previous prime is 191914133. The next prime is 191914157. The reversal of 191914141 is 141419191.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 191914141 - 23 = 191914133 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (191914111) 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, 12606 + ... + 23296.
It is an arithmetic number, because the mean of its divisors is an integer number (24858900).
Almost surely, 2191914141 is an apocalyptic number.
It is an amenable number.
191914141 is a deficient number, since it is larger than the sum of its proper divisors (6957059).
191914141 is a wasteful number, since it uses less digits than its factorization.
191914141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11339.
The product of its digits is 1296, while the sum is 31.
The square root of 191914141 is about 13853.3079443142. The cubic root of 191914141 is about 576.8138221725.
It can be divided in two parts, 19191 and 4141, that added together give a palindrome (23332).
The spelling of 191914141 in words is "one hundred ninety-one million, nine hundred fourteen thousand, one hundred forty-one".
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