Base | Representation |
---|---|
bin | 100011101111100011… |
… | …110101100011010111 |
3 | 10200001200122111001110 |
4 | 203233203311203113 |
5 | 1112044443344013 |
6 | 25344144430103 |
7 | 2526031105644 |
oct | 435743654327 |
9 | 120050574043 |
10 | 38378887383 |
11 | 15304977151 |
12 | 7531018333 |
13 | 3808266b25 |
14 | 1c0117cdcb |
15 | ee95172c3 |
hex | 8ef8f58d7 |
38378887383 has 4 divisors (see below), whose sum is σ = 51171849848. Its totient is φ = 25585924920.
The previous prime is 38378887381. The next prime is 38378887397.
38378887383 is nontrivially palindromic in base 10.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 38378887383 - 21 = 38378887381 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38378887381) 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, 6396481228 + ... + 6396481233.
It is an arithmetic number, because the mean of its divisors is an integer number (12792962462).
Almost surely, 238378887383 is an apocalyptic number.
38378887383 is a deficient number, since it is larger than the sum of its proper divisors (12792962465).
38378887383 is a wasteful number, since it uses less digits than its factorization.
38378887383 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12792962464.
The product of its digits is 130056192, while the sum is 66.
The spelling of 38378887383 in words is "thirty-eight billion, three hundred seventy-eight million, eight hundred eighty-seven thousand, three hundred eighty-three".
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