Base | Representation |
---|---|
bin | 10001100010110001… |
… | …010100101011111101 |
3 | 1210121210002000201122 |
4 | 101202301110223331 |
5 | 302034230404031 |
6 | 12353101320325 |
7 | 1234540366430 |
oct | 214261245375 |
9 | 53553060648 |
10 | 18836966141 |
11 | 7a96a81514 |
12 | 37985660a5 |
13 | 1a12757116 |
14 | ca9a59817 |
15 | 753ad347b |
hex | 462c54afd |
18836966141 has 8 divisors (see below), whose sum is σ = 22109798400. Its totient is φ = 15709593168.
The previous prime is 18836966107. The next prime is 18836966177. The reversal of 18836966141 is 14166963881.
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 18836966141 - 218 = 18836703997 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 (18836966101) 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, 36364541 + ... + 36365058.
It is an arithmetic number, because the mean of its divisors is an integer number (2763724800).
Almost surely, 218836966141 is an apocalyptic number.
It is an amenable number.
18836966141 is a deficient number, since it is larger than the sum of its proper divisors (3272832259).
18836966141 is an equidigital number, since it uses as much as digits as its factorization.
18836966141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72729643.
The product of its digits is 1492992, while the sum is 53.
The spelling of 18836966141 in words is "eighteen billion, eight hundred thirty-six million, nine hundred sixty-six thousand, one hundred forty-one".
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