Base | Representation |
---|---|
bin | 100011100001110000… |
… | …101110010001000001 |
3 | 10122110120000220122100 |
4 | 203201300232101001 |
5 | 1111111212300020 |
6 | 25305154501013 |
7 | 2520220263045 |
oct | 434160562101 |
9 | 118416026570 |
10 | 38147384385 |
11 | 151a6227560 |
12 | 7487594769 |
13 | 379c2cc6c6 |
14 | 1bbc51a025 |
15 | ed4038a90 |
hex | 8e1c2e441 |
38147384385 has 48 divisors (see below), whose sum is σ = 72163840320. Its totient is φ = 18487854720.
The previous prime is 38147384371. The next prime is 38147384389. The reversal of 38147384385 is 58348374183.
It is a happy number.
38147384385 is a `hidden beast` number, since 38 + 147 + 38 + 438 + 5 = 666.
It is not a de Polignac number, because 38147384385 - 27 = 38147384257 is a prime.
It is not an unprimeable number, because it can be changed into a prime (38147384389) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1250646 + ... + 1280784.
It is an arithmetic number, because the mean of its divisors is an integer number (1503413340).
Almost surely, 238147384385 is an apocalyptic number.
It is an amenable number.
38147384385 is a deficient number, since it is larger than the sum of its proper divisors (34016455935).
38147384385 is a wasteful number, since it uses less digits than its factorization.
38147384385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32718 (or 32715 counting only the distinct ones).
The product of its digits is 7741440, while the sum is 54.
The spelling of 38147384385 in words is "thirty-eight billion, one hundred forty-seven million, three hundred eighty-four thousand, three hundred eighty-five".
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