Base | Representation |
---|---|
bin | 111010010001000001… |
… | …1000010110110000101 |
3 | 102221222012021120001221 |
4 | 1310202003002312011 |
5 | 4022224032300023 |
6 | 133252020520341 |
7 | 12016502201104 |
oct | 1644203026605 |
9 | 387865246057 |
10 | 125125275013 |
11 | 49079a570a2 |
12 | 203002500b1 |
13 | ba50c98b8b |
14 | 60adcd803b |
15 | 33c4e0585d |
hex | 1d220c2d85 |
125125275013 has 8 divisors (see below), whose sum is σ = 125289092160. Its totient is φ = 124961510880.
The previous prime is 125125274987. The next prime is 125125275017. The reversal of 125125275013 is 310572521521.
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-125125275013 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 125125275013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (125125275017) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7096953 + ... + 7114561.
It is an arithmetic number, because the mean of its divisors is an integer number (15661136520).
Almost surely, 2125125275013 is an apocalyptic number.
It is an amenable number.
125125275013 is a deficient number, since it is larger than the sum of its proper divisors (163817147).
125125275013 is an equidigital number, since it uses as much as digits as its factorization.
125125275013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26507.
The product of its (nonzero) digits is 21000, while the sum is 34.
Adding to 125125275013 its reverse (310572521521), we get a palindrome (435697796534).
The spelling of 125125275013 in words is "one hundred twenty-five billion, one hundred twenty-five million, two hundred seventy-five thousand, thirteen".
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