Base | Representation |
---|---|
bin | 111111111001111… |
… | …1011111011010011 |
3 | 12112102220210202000 |
4 | 1333303323323103 |
5 | 13342421234420 |
6 | 552440125043 |
7 | 104065300260 |
oct | 17763737323 |
9 | 5472823660 |
10 | 2144321235 |
11 | a00460311 |
12 | 4ba166783 |
13 | 282338544 |
14 | 164b06267 |
15 | c83be690 |
hex | 7fcfbed3 |
2144321235 has 64 divisors (see below), whose sum is σ = 4383759360. Its totient is φ = 974177280.
The previous prime is 2144321159. The next prime is 2144321287. The reversal of 2144321235 is 5321234412.
2144321235 is a `hidden beast` number, since 2 + 1 + 443 + 212 + 3 + 5 = 666.
It is not a de Polignac number, because 2144321235 - 216 = 2144255699 is a prime.
It is a super-2 number, since 2×21443212352 = 9196227117743850450, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 2144321199 and 2144321208.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 147075 + ... + 160995.
It is an arithmetic number, because the mean of its divisors is an integer number (68496240).
Almost surely, 22144321235 is an apocalyptic number.
2144321235 is an abundant number, since it is smaller than the sum of its proper divisors (2239438125).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2144321235 is a wasteful number, since it uses less digits than its factorization.
2144321235 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14105 (or 14099 counting only the distinct ones).
The product of its digits is 5760, while the sum is 27.
The square root of 2144321235 is about 46306.8162909091. The cubic root of 2144321235 is about 1289.5255421209.
Adding to 2144321235 its reverse (5321234412), we get a palindrome (7465555647).
The spelling of 2144321235 in words is "two billion, one hundred forty-four million, three hundred twenty-one thousand, two hundred thirty-five".
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