Base | Representation |
---|---|
bin | 100100001101101111… |
… | …111001110110010011 |
3 | 10201100222200022201201 |
4 | 210031233321312103 |
5 | 1114114123222222 |
6 | 25510320212031 |
7 | 2544421111312 |
oct | 441557716623 |
9 | 121328608651 |
10 | 38885367187 |
11 | 155448599a7 |
12 | 765276a017 |
13 | 388917a414 |
14 | 1c4c540279 |
15 | 1028c10427 |
hex | 90dbf9d93 |
38885367187 has 4 divisors (see below), whose sum is σ = 40931965480. Its totient is φ = 36838768896.
The previous prime is 38885367181. The next prime is 38885367217. The reversal of 38885367187 is 78176358883.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 38885367187 - 215 = 38885334419 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38885367181) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1023299118 + ... + 1023299155.
It is an arithmetic number, because the mean of its divisors is an integer number (10232991370).
Almost surely, 238885367187 is an apocalyptic number.
38885367187 is a deficient number, since it is larger than the sum of its proper divisors (2046598293).
38885367187 is a wasteful number, since it uses less digits than its factorization.
38885367187 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2046598292.
The product of its digits is 54190080, while the sum is 64.
The spelling of 38885367187 in words is "thirty-eight billion, eight hundred eighty-five million, three hundred sixty-seven thousand, one hundred eighty-seven".
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