Base | Representation |
---|---|
bin | 10110110010101… |
… | …11111101000101 |
3 | 111022210000120222 |
4 | 23121113331011 |
5 | 342421413333 |
6 | 30550034125 |
7 | 4511116406 |
oct | 1331277505 |
9 | 438700528 |
10 | 191201093 |
11 | 98a23236 |
12 | 54048945 |
13 | 307c6355 |
14 | 1b5719ad |
15 | 11bbc298 |
hex | b657f45 |
191201093 has 8 divisors (see below), whose sum is σ = 202041600. Its totient is φ = 180571248.
The previous prime is 191201077. The next prime is 191201099. The reversal of 191201093 is 390102191.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 191201093 - 24 = 191201077 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 (191201099) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50798 + ... + 54431.
It is an arithmetic number, because the mean of its divisors is an integer number (25255200).
Almost surely, 2191201093 is an apocalyptic number.
It is an amenable number.
191201093 is a deficient number, since it is larger than the sum of its proper divisors (10840507).
191201093 is a wasteful number, since it uses less digits than its factorization.
191201093 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 105331.
The product of its (nonzero) digits is 486, while the sum is 26.
The square root of 191201093 is about 13827.5483365635. The cubic root of 191201093 is about 576.0985606884.
The spelling of 191201093 in words is "one hundred ninety-one million, two hundred one thousand, ninety-three".
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