Base | Representation |
---|---|
bin | 100011101101011001… |
… | …111010010011011001 |
3 | 10122222011121112210000 |
4 | 203231121322103121 |
5 | 1112011214342334 |
6 | 25340413443213 |
7 | 2525111556444 |
oct | 435531722331 |
9 | 118864545700 |
10 | 38342730969 |
11 | 15296521314 |
12 | 7520aa0509 |
13 | 38009178ba |
14 | 1bda44a65b |
15 | ee6274299 |
hex | 8ed67a4d9 |
38342730969 has 15 divisors (see below), whose sum is σ = 57280045647. Its totient is φ = 25560645768.
The previous prime is 38342730929. The next prime is 38342731061. The reversal of 38342730969 is 96903724383.
The square root of 38342730969 is 195813.
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., 35297015625 + 3045715344 = 187875^2 + 55188^2 .
It is not a de Polignac number, because 38342730969 - 231 = 36195247321 is a prime.
It is a super-2 number, since 2×383427309692 (a number of 22 digits) contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (38342730929) by changing a digit.
It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1751439 + ... + 1773195.
Almost surely, 238342730969 is an apocalyptic number.
38342730969 is the 195813-rd square number.
38342730969 is the 97907-th centered octagonal number.
It is an amenable number.
38342730969 is a deficient number, since it is larger than the sum of its proper divisors (18937314678).
38342730969 is an frugal number, since it uses more digits than its factorization.
38342730969 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43526 (or 21760 counting only the distinct ones).
The product of its (nonzero) digits is 5878656, while the sum is 54.
The spelling of 38342730969 in words is "thirty-eight billion, three hundred forty-two million, seven hundred thirty thousand, nine hundred sixty-nine".
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