Base | Representation |
---|---|
bin | 111111000010010… |
… | …1000000111101100 |
3 | 12110102000100112012 |
4 | 1332010220013230 |
5 | 13312434021444 |
6 | 545514500352 |
7 | 103262261054 |
oct | 17604500754 |
9 | 5412010465 |
10 | 2115142124 |
11 | 995a40647 |
12 | 4b04346b8 |
13 | 2792900b4 |
14 | 160cac564 |
15 | c5a58b9e |
hex | 7e1281ec |
2115142124 has 6 divisors (see below), whose sum is σ = 3701498724. Its totient is φ = 1057571060.
The previous prime is 2115142109. The next prime is 2115142147. The reversal of 2115142124 is 4212415112.
It is a self number, because there is not a number n which added to its sum of digits gives 2115142124.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264392762 + ... + 264392769.
It is an arithmetic number, because the mean of its divisors is an integer number (616916454).
Almost surely, 22115142124 is an apocalyptic number.
It is an amenable number.
2115142124 is a deficient number, since it is larger than the sum of its proper divisors (1586356600).
2115142124 is a wasteful number, since it uses less digits than its factorization.
2115142124 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 528785535 (or 528785533 counting only the distinct ones).
The product of its digits is 640, while the sum is 23.
The square root of 2115142124 is about 45990.6743155610. The cubic root of 2115142124 is about 1283.6496838071.
Adding to 2115142124 its reverse (4212415112), we get a palindrome (6327557236).
The spelling of 2115142124 in words is "two billion, one hundred fifteen million, one hundred forty-two thousand, one hundred twenty-four".
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