Base | Representation |
---|---|
bin | 1101001001001111… |
… | …01101010101011001 |
3 | 200012210200121122101 |
4 | 12210213231111121 |
5 | 103423022340100 |
6 | 3124124323401 |
7 | 336606102424 |
oct | 64447552531 |
9 | 20183617571 |
10 | 7056840025 |
11 | 2aa14473a4 |
12 | 144b3a3561 |
13 | 8860177b1 |
14 | 4ad3149bb |
15 | 2b47e586a |
hex | 1a49ed559 |
7056840025 has 27 divisors (see below), whose sum is σ = 8946923671. Its totient is φ = 5521480640.
The previous prime is 7056840017. The next prime is 7056840041. The reversal of 7056840025 is 5200486507.
It is a happy number.
The square root of 7056840025 is 84005.
It is a perfect power (a square), and thus also a powerful number.
7056840025 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 13 ways, for example, as 6334090569 + 722749456 = 79587^2 + 26884^2 .
It is not a de Polignac number, because 7056840025 - 23 = 7056840017 is a prime.
It is a super-2 number, since 2×70568400252 = 99597982276884001250, which contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 22261167 + ... + 22261483.
Almost surely, 27056840025 is an apocalyptic number.
7056840025 is the 84005-th square number.
7056840025 is the 42003-rd centered octagonal number.
It is an amenable number.
7056840025 is a deficient number, since it is larger than the sum of its proper divisors (1890083646).
7056840025 is an frugal number, since it uses more digits than its factorization.
7056840025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 750 (or 375 counting only the distinct ones).
The product of its (nonzero) digits is 67200, while the sum is 37.
The cubic root of 7056840025 is about 1918.0949007661.
The spelling of 7056840025 in words is "seven billion, fifty-six million, eight hundred forty thousand, twenty-five".
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