Base | Representation |
---|---|
bin | 100100000110111011… |
… | …110000101010010001 |
3 | 10201002000112122010201 |
4 | 210012323300222101 |
5 | 1113400341103034 |
6 | 25451113455201 |
7 | 2541532233535 |
oct | 440673605221 |
9 | 121060478121 |
10 | 38771034769 |
11 | 154962692a5 |
12 | 7620411501 |
13 | 386b5890bc |
14 | 1c3b29bbc5 |
15 | 101db79014 |
hex | 906ef0a91 |
38771034769 has 2 divisors, whose sum is σ = 38771034770. Its totient is φ = 38771034768.
The previous prime is 38771034761. The next prime is 38771034821. The reversal of 38771034769 is 96743017783.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 32937894144 + 5833140625 = 181488^2 + 76375^2 .
It is an emirp because it is prime and its reverse (96743017783) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 38771034769 - 23 = 38771034761 is a prime.
It is a super-2 number, since 2×387710347692 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (38771034761) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19385517384 + 19385517385.
It is an arithmetic number, because the mean of its divisors is an integer number (19385517385).
Almost surely, 238771034769 is an apocalyptic number.
It is an amenable number.
38771034769 is a deficient number, since it is larger than the sum of its proper divisors (1).
38771034769 is an equidigital number, since it uses as much as digits as its factorization.
38771034769 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5334336, while the sum is 55.
The spelling of 38771034769 in words is "thirty-eight billion, seven hundred seventy-one million, thirty-four thousand, seven hundred sixty-nine".
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