Base | Representation |
---|---|
bin | 100100001010111101… |
… | …000010000000100111 |
3 | 10201020201110001021011 |
4 | 210022331002000213 |
5 | 1114020122224324 |
6 | 25501523203051 |
7 | 2543311414621 |
oct | 441275020047 |
9 | 121221401234 |
10 | 38838476839 |
11 | 15520342548 |
12 | 763ab16487 |
13 | 387c540556 |
14 | 1c46215c11 |
15 | 1024a4bc94 |
hex | 90af42027 |
38838476839 has 2 divisors, whose sum is σ = 38838476840. Its totient is φ = 38838476838.
The previous prime is 38838476819. The next prime is 38838476851. The reversal of 38838476839 is 93867483883.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 38838476839 - 211 = 38838474791 is a prime.
It is a super-3 number, since 3×388384768393 (a number of 33 digits) contains 333 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (38838476819) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19419238419 + 19419238420.
It is an arithmetic number, because the mean of its divisors is an integer number (19419238420).
Almost surely, 238838476839 is an apocalyptic number.
38838476839 is a deficient number, since it is larger than the sum of its proper divisors (1).
38838476839 is an equidigital number, since it uses as much as digits as its factorization.
38838476839 is an evil number, because the sum of its binary digits is even.
The product of its digits is 167215104, while the sum is 67.
The spelling of 38838476839 in words is "thirty-eight billion, eight hundred thirty-eight million, four hundred seventy-six thousand, eight hundred thirty-nine".
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