Base | Representation |
---|---|
bin | 1101001100101011… |
… | …11010010101100101 |
3 | 200021211001100001001 |
4 | 12212111322111211 |
5 | 104002421313000 |
6 | 3131035433301 |
7 | 340406463256 |
oct | 64625722545 |
9 | 20254040031 |
10 | 7085729125 |
11 | 3006789192 |
12 | 1458bb5831 |
13 | 88bcc0c37 |
14 | 4b30b4b2d |
15 | 2b710046a |
hex | 1a657a565 |
7085729125 has 8 divisors (see below), whose sum is σ = 8842990104. Its totient is φ = 5668583200.
The previous prime is 7085729099. The next prime is 7085729137. The reversal of 7085729125 is 5219275807.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 1543075524 + 5542653601 = 39282^2 + 74449^2 .
It is not a de Polignac number, because 7085729125 - 25 = 7085729093 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28342792 + ... + 28343041.
It is an arithmetic number, because the mean of its divisors is an integer number (1105373763).
Almost surely, 27085729125 is an apocalyptic number.
It is an amenable number.
7085729125 is a deficient number, since it is larger than the sum of its proper divisors (1757260979).
7085729125 is an equidigital number, since it uses as much as digits as its factorization.
7085729125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56685848 (or 56685838 counting only the distinct ones).
The product of its (nonzero) digits is 352800, while the sum is 46.
The square root of 7085729125 is about 84176.7730730990. The cubic root of 7085729125 is about 1920.7087521001.
The spelling of 7085729125 in words is "seven billion, eighty-five million, seven hundred twenty-nine thousand, one hundred twenty-five".
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