Base | Representation |
---|---|
bin | 1101000110011… |
… | …01100010110101 |
3 | 21122210011222020 |
4 | 12203031202311 |
5 | 211113100223 |
6 | 14523223353 |
7 | 2503040061 |
oct | 643154265 |
9 | 248704866 |
10 | 109893813 |
11 | 57039937 |
12 | 30977b59 |
13 | 199c8c33 |
14 | 10848aa1 |
15 | 99ab1e3 |
hex | 68cd8b5 |
109893813 has 8 divisors (see below), whose sum is σ = 149008800. Its totient is φ = 72020688.
The previous prime is 109893803. The next prime is 109893821. The reversal of 109893813 is 318398901.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 109893813 - 25 = 109893781 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (109893803) 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, 310258 + ... + 310611.
It is an arithmetic number, because the mean of its divisors is an integer number (18626100).
Almost surely, 2109893813 is an apocalyptic number.
It is an amenable number.
109893813 is a deficient number, since it is larger than the sum of its proper divisors (39114987).
109893813 is an equidigital number, since it uses as much as digits as its factorization.
109893813 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 620931.
The product of its (nonzero) digits is 46656, while the sum is 42.
The square root of 109893813 is about 10483.0249928158. The cubic root of 109893813 is about 478.9877583412.
The spelling of 109893813 in words is "one hundred nine million, eight hundred ninety-three thousand, eight hundred thirteen".
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