Base | Representation |
---|---|
bin | 100100000001101110… |
… | …010111101110011011 |
3 | 10200211221002110020122 |
4 | 210001232113232123 |
5 | 1113211002414213 |
6 | 25434312343455 |
7 | 2536421334464 |
oct | 440156275633 |
9 | 120757073218 |
10 | 38683638683 |
11 | 154509a6328 |
12 | 75b70a4b8b |
13 | 3856439441 |
14 | 1c2d82bd6b |
15 | 1016163d08 |
hex | 901b97b9b |
38683638683 has 4 divisors (see below), whose sum is σ = 38685763200. Its totient is φ = 38681514168.
The previous prime is 38683638667. The next prime is 38683638689.
38683638683 is nontrivially palindromic in base 10.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 38683638683 - 24 = 38683638667 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38683638689) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1034708 + ... + 1071441.
It is an arithmetic number, because the mean of its divisors is an integer number (9671440800).
Almost surely, 238683638683 is an apocalyptic number.
38683638683 is a deficient number, since it is larger than the sum of its proper divisors (2124517).
38683638683 is a wasteful number, since it uses less digits than its factorization.
38683638683 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2124516.
The product of its digits is 71663616, while the sum is 62.
The spelling of 38683638683 in words is "thirty-eight billion, six hundred eighty-three million, six hundred thirty-eight thousand, six hundred eighty-three".
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