Base | Representation |
---|---|
bin | 1000100000011011100010… |
… | …10010110110011101110101 |
3 | 2110020022200222122220112202 |
4 | 10100031301102312131311 |
5 | 4422441334213404143 |
6 | 103441350110554245 |
7 | 3640333044600425 |
oct | 420156122663565 |
9 | 73208628586482 |
10 | 18706483341173 |
11 | 5a62414195051 |
12 | 2121537508985 |
13 | a59024456a64 |
14 | 489581b7c485 |
15 | 2268ea220ab8 |
hex | 1103714b6775 |
18706483341173 has 4 divisors (see below), whose sum is σ = 18751128886560. Its totient is φ = 18661837795788.
The previous prime is 18706483341109. The next prime is 18706483341193. The reversal of 18706483341173 is 37114338460781.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 18706483341173 - 26 = 18706483341109 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 (18706483341193) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22322772065 + ... + 22322772902.
It is an arithmetic number, because the mean of its divisors is an integer number (4687782221640).
Almost surely, 218706483341173 is an apocalyptic number.
It is an amenable number.
18706483341173 is a deficient number, since it is larger than the sum of its proper divisors (44645545387).
18706483341173 is an equidigital number, since it uses as much as digits as its factorization.
18706483341173 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44645545386.
The product of its (nonzero) digits is 8128512, while the sum is 56.
The spelling of 18706483341173 in words is "eighteen trillion, seven hundred six billion, four hundred eighty-three million, three hundred forty-one thousand, one hundred seventy-three".
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