Base | Representation |
---|---|
bin | 1001010001000001… |
… | …00000111111101001 |
3 | 110211200112211110012 |
4 | 10220200200333221 |
5 | 40141443022224 |
6 | 2141342301305 |
7 | 234163141532 |
oct | 45040407751 |
9 | 13750484405 |
10 | 4974579689 |
11 | 2123025392 |
12 | b69b87835 |
13 | 6137cb2a1 |
14 | 352965689 |
15 | 1e1ad480e |
hex | 128820fe9 |
4974579689 has 2 divisors, whose sum is σ = 4974579690. Its totient is φ = 4974579688.
The previous prime is 4974579667. The next prime is 4974579761. The reversal of 4974579689 is 9869754794.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 3083025625 + 1891554064 = 55525^2 + 43492^2 .
It is a cyclic number.
It is not a de Polignac number, because 4974579689 - 220 = 4973531113 is a prime.
It is a super-2 number, since 2×49745796892 = 49492886164422673442, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (4974549689) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2487289844 + 2487289845.
It is an arithmetic number, because the mean of its divisors is an integer number (2487289845).
Almost surely, 24974579689 is an apocalyptic number.
It is an amenable number.
4974579689 is a deficient number, since it is larger than the sum of its proper divisors (1).
4974579689 is an equidigital number, since it uses as much as digits as its factorization.
4974579689 is an evil number, because the sum of its binary digits is even.
The product of its digits is 137168640, while the sum is 68.
The square root of 4974579689 is about 70530.7003297146. The cubic root of 4974579689 is about 1707.0731470757.
The spelling of 4974579689 in words is "four billion, nine hundred seventy-four million, five hundred seventy-nine thousand, six hundred eighty-nine".
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