Base | Representation |
---|---|
bin | 10000110010000001… |
… | …011010000111011101 |
3 | 1201111210010002001210 |
4 | 100302001122013131 |
5 | 243400342132401 |
6 | 12140003455033 |
7 | 1205346546423 |
oct | 206201320735 |
9 | 51453102053 |
10 | 18019099101 |
11 | 7707347943 |
12 | 35aa687479 |
13 | 1912189923 |
14 | c2d19d113 |
15 | 706dcc4d6 |
hex | 43205a1dd |
18019099101 has 8 divisors (see below), whose sum is σ = 24049000864. Its totient is φ = 12000965040.
The previous prime is 18019099069. The next prime is 18019099129. The reversal of 18019099101 is 10199091081.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 18019099101 - 25 = 18019099069 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 18019099101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18019099151) 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, 2938351 + ... + 2944476.
It is an arithmetic number, because the mean of its divisors is an integer number (3006125108).
Almost surely, 218019099101 is an apocalyptic number.
It is an amenable number.
18019099101 is a deficient number, since it is larger than the sum of its proper divisors (6029901763).
18019099101 is a wasteful number, since it uses less digits than its factorization.
18019099101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5883851.
The product of its (nonzero) digits is 5832, while the sum is 39.
The spelling of 18019099101 in words is "eighteen billion, nineteen million, ninety-nine thousand, one hundred one".
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