Base | Representation |
---|---|
bin | 101100001001100011100111… |
… | …1110110011000111001000001 |
3 | 1212221000002101222122000111211 |
4 | 1120103013033312120321001 |
5 | 401400041441024100443 |
6 | 3453533350514410121 |
7 | 144540515336501626 |
oct | 13023071766307101 |
9 | 1787002358560454 |
10 | 388341545143873 |
11 | 1028127a7210642 |
12 | 3767b239890941 |
13 | 1388c5b1ba9549 |
14 | 6bc7b8c67034d |
15 | 2ed69c4d6919d |
hex | 16131cfd98e41 |
388341545143873 has 2 divisors, whose sum is σ = 388341545143874. Its totient is φ = 388341545143872.
The previous prime is 388341545143807. The next prime is 388341545143879. The reversal of 388341545143873 is 378341545143883.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 364923959498289 + 23417585645584 = 19102983^2 + 4839172^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-388341545143873 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 388341545143799 and 388341545143808.
It is not a weakly prime, because it can be changed into another prime (388341545143879) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194170772571936 + 194170772571937.
It is an arithmetic number, because the mean of its divisors is an integer number (194170772571937).
Almost surely, 2388341545143873 is an apocalyptic number.
It is an amenable number.
388341545143873 is a deficient number, since it is larger than the sum of its proper divisors (1).
388341545143873 is an equidigital number, since it uses as much as digits as its factorization.
388341545143873 is an evil number, because the sum of its binary digits is even.
The product of its digits is 464486400, while the sum is 67.
The spelling of 388341545143873 in words is "three hundred eighty-eight trillion, three hundred forty-one billion, five hundred forty-five million, one hundred forty-three thousand, eight hundred seventy-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •