Base | Representation |
---|---|
bin | 10001101000010010… |
… | …101010111011011101 |
3 | 1210212020101000100221 |
4 | 101220102222323131 |
5 | 302231434002302 |
6 | 12410210521341 |
7 | 1240043615632 |
oct | 215022527335 |
9 | 53766330327 |
10 | 18929594077 |
11 | 8034298229 |
12 | 3803596251 |
13 | 1a289b9254 |
14 | cb808c189 |
15 | 75bccd937 |
hex | 4684aaedd |
18929594077 has 8 divisors (see below), whose sum is σ = 19660110080. Its totient is φ = 18206570880.
The previous prime is 18929594059. The next prime is 18929594083. The reversal of 18929594077 is 77049592981.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 18929594077 - 211 = 18929592029 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 (18929594377) 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, 1868052 + ... + 1878157.
It is an arithmetic number, because the mean of its divisors is an integer number (2457513760).
Almost surely, 218929594077 is an apocalyptic number.
It is an amenable number.
18929594077 is a deficient number, since it is larger than the sum of its proper divisors (730516003).
18929594077 is a wasteful number, since it uses less digits than its factorization.
18929594077 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3746403.
The product of its (nonzero) digits is 11430720, while the sum is 61.
The spelling of 18929594077 in words is "eighteen billion, nine hundred twenty-nine million, five hundred ninety-four thousand, seventy-seven".
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