Base | Representation |
---|---|
bin | 10001011110111111… |
… | …101101100100001100 |
3 | 1210110100220011202212 |
4 | 101132333231210030 |
5 | 301422022113241 |
6 | 12342520005552 |
7 | 1233141133550 |
oct | 213677554414 |
9 | 53410804685 |
10 | 18773629196 |
11 | 7a64251533 |
12 | 377b3008b8 |
13 | 1a025ac33a |
14 | ca148d860 |
15 | 74d271beb |
hex | 45efed90c |
18773629196 has 48 divisors (see below), whose sum is σ = 38900010240. Its totient is φ = 7756795200.
The previous prime is 18773629187. The next prime is 18773629211. The reversal of 18773629196 is 69192637781.
It is a super-3 number, since 3×187736291963 (a number of 32 digits) contains 333 as substring.
It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 537671 + ... + 571521.
It is an arithmetic number, because the mean of its divisors is an integer number (810416880).
Almost surely, 218773629196 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 18773629196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19450005120).
18773629196 is an abundant number, since it is smaller than the sum of its proper divisors (20126381044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18773629196 is a wasteful number, since it uses less digits than its factorization.
18773629196 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34574 (or 34572 counting only the distinct ones).
The product of its digits is 6858432, while the sum is 59.
The spelling of 18773629196 in words is "eighteen billion, seven hundred seventy-three million, six hundred twenty-nine thousand, one hundred ninety-six".
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