Base | Representation |
---|---|
bin | 100011110110001001… |
… | …001011010001011001 |
3 | 10200100101111000010221 |
4 | 203312021023101121 |
5 | 1112311232321334 |
6 | 25403132040041 |
7 | 2531541661144 |
oct | 436611132131 |
9 | 120311430127 |
10 | 38489338969 |
11 | 15361257054 |
12 | 7562003021 |
13 | 38250c98b3 |
14 | 1c11ad105b |
15 | 10040838b4 |
hex | 8f624b459 |
38489338969 has 3 divisors (see below), whose sum is σ = 38489535157. Its totient is φ = 38489142782.
The previous prime is 38489338931. The next prime is 38489338981. The reversal of 38489338969 is 96983398483.
The square root of 38489338969 is 196187.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is not a de Polignac number, because 38489338969 - 219 = 38488814681 is a prime.
It is a super-3 number, since 3×384893389693 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 38489338898 and 38489338907.
It is not an unprimeable number, because it can be changed into a prime (38489338919) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 98094 + ... + 294280.
Almost surely, 238489338969 is an apocalyptic number.
38489338969 is the 196187-th square number.
38489338969 is the 98094-th centered octagonal number.
It is an amenable number.
38489338969 is a deficient number, since it is larger than the sum of its proper divisors (196188).
38489338969 is an frugal number, since it uses more digits than its factorization.
38489338969 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 392374 (or 196187 counting only the distinct ones).
The product of its digits is 241864704, while the sum is 70.
The spelling of 38489338969 in words is "thirty-eight billion, four hundred eighty-nine million, three hundred thirty-eight thousand, nine hundred sixty-nine".
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