Base | Representation |
---|---|
bin | 100011100111100100… |
… | …101010100110111001 |
3 | 10122201100111120001011 |
4 | 203213210222212321 |
5 | 1111311142340334 |
6 | 25323000353521 |
7 | 2522513114122 |
oct | 434744524671 |
9 | 118640446034 |
10 | 38244886969 |
11 | 15246272703 |
12 | 74b41758a1 |
13 | 37b657a543 |
14 | 1bcb45b049 |
15 | edc898564 |
hex | 8e792a9b9 |
38244886969 has 9 divisors (see below), whose sum is σ = 38440465167. Its totient is φ = 38050301784.
The previous prime is 38244886963. The next prime is 38244886997. The reversal of 38244886969 is 96968844283.
The square root of 38244886969 is 195563.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 2516326569 + 35728560400 = 50163^2 + 189020^2 .
It is not a de Polignac number, because 38244886969 - 221 = 38242789817 is a prime.
It is a super-2 number, since 2×382448869692 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38244886963) 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 8 ways as a sum of consecutive naturals, for example, 52606084 + ... + 52606810.
Almost surely, 238244886969 is an apocalyptic number.
38244886969 is the 195563-rd square number.
38244886969 is the 97782-nd centered octagonal number.
It is an amenable number.
38244886969 is a deficient number, since it is larger than the sum of its proper divisors (195578198).
38244886969 is an frugal number, since it uses more digits than its factorization.
38244886969 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1992 (or 996 counting only the distinct ones).
The product of its digits is 143327232, while the sum is 67.
The spelling of 38244886969 in words is "thirty-eight billion, two hundred forty-four million, eight hundred eighty-six thousand, nine hundred sixty-nine".
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