Base | Representation |
---|---|
bin | 1011001111000001001… |
… | …0110010011011011011 |
3 | 200110012012101210211121 |
4 | 2303300102302123123 |
5 | 11130241031034021 |
6 | 224400110310111 |
7 | 16641653040526 |
oct | 2636022623333 |
9 | 613165353747 |
10 | 193010018011 |
11 | 7494513a288 |
12 | 314a67b8337 |
13 | 1527c113065 |
14 | 94ada11bbd |
15 | 5049988741 |
hex | 2cf04b26db |
193010018011 has 4 divisors (see below), whose sum is σ = 193221885024. Its totient is φ = 192798151000.
The previous prime is 193010017987. The next prime is 193010018021. The reversal of 193010018011 is 110810010391.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110810010391 = 2843 ⋅38976437.
It is a cyclic number.
It is not a de Polignac number, because 193010018011 - 27 = 193010017883 is a prime.
It is a super-2 number, since 2×1930100180112 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (193010018021) 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, 105932140 + ... + 105933961.
It is an arithmetic number, because the mean of its divisors is an integer number (48305471256).
Almost surely, 2193010018011 is an apocalyptic number.
193010018011 is a deficient number, since it is larger than the sum of its proper divisors (211867013).
193010018011 is an equidigital number, since it uses as much as digits as its factorization.
193010018011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 211867012.
The product of its (nonzero) digits is 216, while the sum is 25.
The spelling of 193010018011 in words is "one hundred ninety-three billion, ten million, eighteen thousand, eleven".
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