Base | Representation |
---|---|
bin | 100100001001101100… |
… | …100100001100101001 |
3 | 10201012020202101020121 |
4 | 210021230210030221 |
5 | 1113444222230314 |
6 | 25455451123241 |
7 | 2542634212303 |
oct | 441154441451 |
9 | 121166671217 |
10 | 38817383209 |
11 | 1550a4455a0 |
12 | 7633a43521 |
13 | 3878066407 |
14 | 1c434c4973 |
15 | 1022c81d24 |
hex | 909b24329 |
38817383209 has 8 divisors (see below), whose sum is σ = 42536132352. Its totient is φ = 35130283440.
The previous prime is 38817383201. The next prime is 38817383233. The reversal of 38817383209 is 90238371883.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 38817383209 - 23 = 38817383201 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38817383201) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7909774 + ... + 7914679.
It is an arithmetic number, because the mean of its divisors is an integer number (5317016544).
Almost surely, 238817383209 is an apocalyptic number.
It is an amenable number.
38817383209 is a deficient number, since it is larger than the sum of its proper divisors (3718749143).
38817383209 is a wasteful number, since it uses less digits than its factorization.
38817383209 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15824687.
The product of its (nonzero) digits is 1741824, while the sum is 52.
The spelling of 38817383209 in words is "thirty-eight billion, eight hundred seventeen million, three hundred eighty-three thousand, two hundred nine".
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