Base | Representation |
---|---|
bin | 1110001101010010000… |
… | …00000010010100010101 |
3 | 1201200001011200221011021 |
4 | 13012221000002110111 |
5 | 30444231131212240 |
6 | 1012132145441141 |
7 | 50161140114016 |
oct | 7065100022425 |
9 | 1650034627137 |
10 | 488166663445 |
11 | 17903739a60a |
12 | 7a73a0401b1 |
13 | 3705969a996 |
14 | 198ad7cb00d |
15 | ca71d3454a |
hex | 71a9002515 |
488166663445 has 12 divisors (see below), whose sum is σ = 622285810884. Its totient is φ = 367560780800.
The previous prime is 488166663437. The next prime is 488166663449. The reversal of 488166663445 is 544366661884.
It can be written as a sum of positive squares in 6 ways, for example, as 73730713156 + 414435950289 = 271534^2 + 643767^2 .
It is not a de Polignac number, because 488166663445 - 23 = 488166663437 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (488166663449) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168914356 + ... + 168917245.
It is an arithmetic number, because the mean of its divisors is an integer number (51857150907).
Almost surely, 2488166663445 is an apocalyptic number.
It is an amenable number.
488166663445 is a deficient number, since it is larger than the sum of its proper divisors (134119147439).
488166663445 is a wasteful number, since it uses less digits than its factorization.
488166663445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 337831640 (or 337831623 counting only the distinct ones).
The product of its digits is 79626240, while the sum is 61.
The spelling of 488166663445 in words is "four hundred eighty-eight billion, one hundred sixty-six million, six hundred sixty-three thousand, four hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.063 sec. • engine limits •