Base | Representation |
---|---|
bin | 100011110111000011… |
… | …011110100010000001 |
3 | 10200101110020110210212 |
4 | 203313003132202001 |
5 | 1112324140402314 |
6 | 25404435403505 |
7 | 2532115613534 |
oct | 436703364201 |
9 | 120343213725 |
10 | 38504622209 |
11 | 15369945629 |
12 | 7567153595 |
13 | 382831b131 |
14 | 1c13b4ca1b |
15 | 10055a1e3e |
hex | 8f70de881 |
38504622209 has 8 divisors (see below), whose sum is σ = 40791354408. Its totient is φ = 36220307200.
The previous prime is 38504622203. The next prime is 38504622239. The reversal of 38504622209 is 90222640583.
It can be written as a sum of positive squares in 4 ways, for example, as 19412291584 + 19092330625 = 139328^2 + 138175^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-38504622209 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (38504622203) 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 7 ways as a sum of consecutive naturals, for example, 571442 + ... + 635259.
It is an arithmetic number, because the mean of its divisors is an integer number (5098919301).
Almost surely, 238504622209 is an apocalyptic number.
It is an amenable number.
38504622209 is a deficient number, since it is larger than the sum of its proper divisors (2286732199).
38504622209 is a wasteful number, since it uses less digits than its factorization.
38504622209 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1208595.
The product of its (nonzero) digits is 207360, while the sum is 41.
The spelling of 38504622209 in words is "thirty-eight billion, five hundred four million, six hundred twenty-two thousand, two hundred nine".
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