Base | Representation |
---|---|
bin | 1101000110011… |
… | …01010001010101 |
3 | 21122210010102202 |
4 | 12203031101111 |
5 | 211113031233 |
6 | 14523214245 |
7 | 2503033601 |
oct | 643152125 |
9 | 248703382 |
10 | 109892693 |
11 | 57039009 |
12 | 30977385 |
13 | 199c8581 |
14 | 10848501 |
15 | 99aabe8 |
hex | 68cd455 |
109892693 has 4 divisors (see below), whose sum is σ = 109923180. Its totient is φ = 109862208.
The previous prime is 109892681. The next prime is 109892711. The reversal of 109892693 is 396298901.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 396298901 = 23 ⋅17230387.
It can be written as a sum of positive squares in 2 ways, for example, as 55457809 + 54434884 = 7447^2 + 7378^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-109892693 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (109892603) 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 3 ways as a sum of consecutive naturals, for example, 8978 + ... + 17331.
It is an arithmetic number, because the mean of its divisors is an integer number (27480795).
Almost surely, 2109892693 is an apocalyptic number.
It is an amenable number.
109892693 is a deficient number, since it is larger than the sum of its proper divisors (30487).
109892693 is an equidigital number, since it uses as much as digits as its factorization.
109892693 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30486.
The product of its (nonzero) digits is 209952, while the sum is 47.
The square root of 109892693 is about 10482.9715729844. The cubic root of 109892693 is about 478.9861311094.
The spelling of 109892693 in words is "one hundred nine million, eight hundred ninety-two thousand, six hundred ninety-three".
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