Base | Representation |
---|---|
bin | 111111010110000… |
… | …1011100110001001 |
3 | 12111010112011000110 |
4 | 1332230023212021 |
5 | 13323112323144 |
6 | 550525024533 |
7 | 103446355134 |
oct | 17654134611 |
9 | 5433464013 |
10 | 2125511049 |
11 | 9a0882a02 |
12 | 4b39b5149 |
13 | 27b48085c |
14 | 16240b21b |
15 | c69060b9 |
hex | 7eb0b989 |
2125511049 has 8 divisors (see below), whose sum is σ = 2882049120. Its totient is φ = 1392990176.
The previous prime is 2125510973. The next prime is 2125511051. The reversal of 2125511049 is 9401155212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2125511049 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2125511749) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6004092 + ... + 6004445.
It is an arithmetic number, because the mean of its divisors is an integer number (360256140).
Almost surely, 22125511049 is an apocalyptic number.
It is an amenable number.
2125511049 is a deficient number, since it is larger than the sum of its proper divisors (756538071).
2125511049 is a wasteful number, since it uses less digits than its factorization.
2125511049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12008599.
The product of its (nonzero) digits is 3600, while the sum is 30.
The square root of 2125511049 is about 46103.2650579110. The cubic root of 2125511049 is about 1285.7438498828.
The spelling of 2125511049 in words is "two billion, one hundred twenty-five million, five hundred eleven thousand, forty-nine".
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