Base | Representation |
---|---|
bin | 111111010110100… |
… | …1111111100011111 |
3 | 12111011001101001021 |
4 | 1332231033330133 |
5 | 13323200303012 |
6 | 550535025011 |
7 | 103451632264 |
oct | 17655177437 |
9 | 5434041037 |
10 | 2125791007 |
11 | 9a0a5427a |
12 | 4b3b0b167 |
13 | 27b54b102 |
14 | 16248126b |
15 | c695e007 |
hex | 7eb4ff1f |
2125791007 has 8 divisors (see below), whose sum is σ = 2190970256. Its totient is φ = 2061018432.
The previous prime is 2125790981. The next prime is 2125791011. The reversal of 2125791007 is 7001975212.
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-2125791007 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2125791047) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91038 + ... + 111979.
It is an arithmetic number, because the mean of its divisors is an integer number (273871282).
Almost surely, 22125791007 is an apocalyptic number.
2125791007 is a deficient number, since it is larger than the sum of its proper divisors (65179249).
2125791007 is a wasteful number, since it uses less digits than its factorization.
2125791007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 203337.
The product of its (nonzero) digits is 8820, while the sum is 34.
The square root of 2125791007 is about 46106.3011637238. The cubic root of 2125791007 is about 1285.8002972447.
The spelling of 2125791007 in words is "two billion, one hundred twenty-five million, seven hundred ninety-one thousand, seven".
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