Base | Representation |
---|---|
bin | 111111111011111… |
… | …0111100110111100 |
3 | 12112111212011212002 |
4 | 1333313313212330 |
5 | 13343202231444 |
6 | 552514201432 |
7 | 104110122626 |
oct | 17767674674 |
9 | 5474764762 |
10 | 2145352124 |
11 | a00aa4893 |
12 | 4ba583278 |
13 | 282609836 |
14 | 164cd3c16 |
15 | c8524d4e |
hex | 7fdf79bc |
2145352124 has 12 divisors (see below), whose sum is σ = 3801890400. Its totient is φ = 1059097728.
The previous prime is 2145352123. The next prime is 2145352129. The reversal of 2145352124 is 4212535412.
It is a super-2 number, since 2×21453521242 = 9205071471902622752, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2145352123) 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, 3394229 + ... + 3394860.
It is an arithmetic number, because the mean of its divisors is an integer number (316824200).
Almost surely, 22145352124 is an apocalyptic number.
It is an amenable number.
2145352124 is a deficient number, since it is larger than the sum of its proper divisors (1656538276).
2145352124 is a wasteful number, since it uses less digits than its factorization.
2145352124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6789172 (or 6789170 counting only the distinct ones).
The product of its digits is 9600, while the sum is 29.
The square root of 2145352124 is about 46317.9460252719. The cubic root of 2145352124 is about 1289.7321567986.
Adding to 2145352124 its reverse (4212535412), we get a palindrome (6357887536).
The spelling of 2145352124 in words is "two billion, one hundred forty-five million, three hundred fifty-two thousand, one hundred twenty-four".
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