Base | Representation |
---|---|
bin | 1100111111110… |
… | …00001011111101 |
3 | 21121010210012010 |
4 | 12133320023331 |
5 | 210402114101 |
6 | 14452401433 |
7 | 2462440164 |
oct | 637701375 |
9 | 247123163 |
10 | 109019901 |
11 | 565a22a1 |
12 | 30616279 |
13 | 19781223 |
14 | 1069c3db |
15 | 98872d6 |
hex | 67f82fd |
109019901 has 8 divisors (see below), whose sum is σ = 150049024. Its totient is φ = 70335360.
The previous prime is 109019893. The next prime is 109019909. The reversal of 109019901 is 109910901.
It is an interprime number because it is at equal distance from previous prime (109019893) and next prime (109019909).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 109019901 - 23 = 109019893 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 (109019909) 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, 586036 + ... + 586221.
It is an arithmetic number, because the mean of its divisors is an integer number (18756128).
Almost surely, 2109019901 is an apocalyptic number.
It is an amenable number.
109019901 is a deficient number, since it is larger than the sum of its proper divisors (41029123).
109019901 is a wasteful number, since it uses less digits than its factorization.
109019901 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1172291.
The product of its (nonzero) digits is 729, while the sum is 30.
The square root of 109019901 is about 10441.2595504565. The cubic root of 109019901 is about 477.7146879597.
It can be divided in two parts, 10901 and 9901, that added together give a palindrome (20802).
The spelling of 109019901 in words is "one hundred nine million, nineteen thousand, nine hundred one".
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