Base | Representation |
---|---|
bin | 100011110101100100… |
… | …010010110001110011 |
3 | 10200022201021210100022 |
4 | 203311210102301303 |
5 | 1112301243423022 |
6 | 25402144514055 |
7 | 2531363541644 |
oct | 436544226163 |
9 | 120281253308 |
10 | 38479670387 |
11 | 15356852994 |
12 | 755a91b92b |
13 | 38230c2b42 |
14 | 1c106d56cb |
15 | 10032c3c42 |
hex | 8f5912c73 |
38479670387 has 2 divisors, whose sum is σ = 38479670388. Its totient is φ = 38479670386.
The previous prime is 38479670363. The next prime is 38479670407. The reversal of 38479670387 is 78307697483.
38479670387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 38479670387 - 228 = 38211234931 is a prime.
It is not a weakly prime, because it can be changed into another prime (38479670347) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19239835193 + 19239835194.
It is an arithmetic number, because the mean of its divisors is an integer number (19239835194).
Almost surely, 238479670387 is an apocalyptic number.
38479670387 is a deficient number, since it is larger than the sum of its proper divisors (1).
38479670387 is an equidigital number, since it uses as much as digits as its factorization.
38479670387 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 42674688, while the sum is 62.
The spelling of 38479670387 in words is "thirty-eight billion, four hundred seventy-nine million, six hundred seventy thousand, three hundred eighty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •