Base | Representation |
---|---|
bin | 1000000011101111… |
… | …1001100111011101 |
3 | 12120202102020112020 |
4 | 2000323321213131 |
5 | 13412233424031 |
6 | 554352330353 |
7 | 104414531064 |
oct | 20073714735 |
9 | 5522366466 |
10 | 2163186141 |
11 | a10075846 |
12 | 5045439b9 |
13 | 2862120cc |
14 | 1674171db |
15 | c9d99096 |
hex | 80ef99dd |
2163186141 has 8 divisors (see below), whose sum is σ = 2885148384. Its totient is φ = 1441674000.
The previous prime is 2163186073. The next prime is 2163186143. The reversal of 2163186141 is 1416813612.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2163186141 - 27 = 2163186013 is a prime.
It is a super-2 number, since 2×21631861412 = 9358748561228943762, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2163186143) 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, 101146 + ... + 120651.
It is an arithmetic number, because the mean of its divisors is an integer number (360643548).
Almost surely, 22163186141 is an apocalyptic number.
It is an amenable number.
2163186141 is a deficient number, since it is larger than the sum of its proper divisors (721962243).
2163186141 is a wasteful number, since it uses less digits than its factorization.
2163186141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 225051.
The product of its digits is 6912, while the sum is 33.
The square root of 2163186141 is about 46510.0649429777. The cubic root of 2163186141 is about 1293.2960881254.
Adding to 2163186141 its reverse (1416813612), we get a palindrome (3579999753).
The spelling of 2163186141 in words is "two billion, one hundred sixty-three million, one hundred eighty-six thousand, one hundred forty-one".
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