Base | Representation |
---|---|
bin | 1101011100111101… |
… | …00111110000110001 |
3 | 200122022220022010102 |
4 | 12232132213300301 |
5 | 104242342330230 |
6 | 3152353242145 |
7 | 343654641221 |
oct | 65636476061 |
9 | 20568808112 |
10 | 7222230065 |
11 | 3076840386 |
12 | 1496863355 |
13 | 8b137471b |
14 | 4c7288081 |
15 | 2c40b5045 |
hex | 1ae7a7c31 |
7222230065 has 4 divisors (see below), whose sum is σ = 8666676084. Its totient is φ = 5777784048.
The previous prime is 7222229947. The next prime is 7222230097. The reversal of 7222230065 is 5600322227.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1975980304 + 5246249761 = 44452^2 + 72431^2 .
It is a cyclic number.
It is not a de Polignac number, because 7222230065 - 220 = 7221181489 is a prime.
It is a super-2 number, since 2×72222300652 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722223002 + ... + 722223011.
It is an arithmetic number, because the mean of its divisors is an integer number (2166669021).
Almost surely, 27222230065 is an apocalyptic number.
It is an amenable number.
7222230065 is a deficient number, since it is larger than the sum of its proper divisors (1444446019).
7222230065 is a wasteful number, since it uses less digits than its factorization.
7222230065 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1444446018.
The product of its (nonzero) digits is 10080, while the sum is 29.
The square root of 7222230065 is about 84983.7047027252. The cubic root of 7222230065 is about 1932.9640322326.
The spelling of 7222230065 in words is "seven billion, two hundred twenty-two million, two hundred thirty thousand, sixty-five".
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