Base | Representation |
---|---|
bin | 100100000110110010… |
… | …110011011010111111 |
3 | 10201001212010100022021 |
4 | 210012302303122333 |
5 | 1113344240434113 |
6 | 25450551301011 |
7 | 2541503254231 |
oct | 440662633277 |
9 | 121055110267 |
10 | 38768686783 |
11 | 15494a05212 |
12 | 761b67a767 |
13 | 386ac46468 |
14 | 1c3ac4a251 |
15 | 101d86348d |
hex | 906cb36bf |
38768686783 has 2 divisors, whose sum is σ = 38768686784. Its totient is φ = 38768686782.
The previous prime is 38768686777. The next prime is 38768686787.
38768686783 is nontrivially palindromic in base 10.
It is a strong prime.
It is a palprime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-38768686783 is a prime.
It is a super-2 number, since 2×387686867832 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (38768686787) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19384343391 + 19384343392.
It is an arithmetic number, because the mean of its divisors is an integer number (19384343392).
Almost surely, 238768686783 is an apocalyptic number.
38768686783 is a deficient number, since it is larger than the sum of its proper divisors (1).
38768686783 is an equidigital number, since it uses as much as digits as its factorization.
38768686783 is an evil number, because the sum of its binary digits is even.
The product of its digits is 390168576, while the sum is 70.
The spelling of 38768686783 in words is "thirty-eight billion, seven hundred sixty-eight million, six hundred eighty-six thousand, seven hundred eighty-three".
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