Base | Representation |
---|---|
bin | 100011111110011011… |
… | …011101011101111111 |
3 | 10200201002001111012002 |
4 | 203332123131131333 |
5 | 1113102324143243 |
6 | 25425015332515 |
7 | 2535150361460 |
oct | 437633353577 |
9 | 120632044162 |
10 | 38628349823 |
11 | 15422772a58 |
12 | 75a068113b |
13 | 3847b4b93b |
14 | 1c26358d67 |
15 | 1011391eb8 |
hex | 8fe6dd77f |
38628349823 has 16 divisors (see below), whose sum is σ = 44409312000. Its totient is φ = 32913179712.
The previous prime is 38628349813. The next prime is 38628349829. The reversal of 38628349823 is 32894382683.
It is not a de Polignac number, because 38628349823 - 28 = 38628349567 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 (38628349829) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6787163 + ... + 6792851.
It is an arithmetic number, because the mean of its divisors is an integer number (2775582000).
Almost surely, 238628349823 is an apocalyptic number.
38628349823 is a deficient number, since it is larger than the sum of its proper divisors (5780962177).
38628349823 is a wasteful number, since it uses less digits than its factorization.
38628349823 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11294.
The product of its digits is 11943936, while the sum is 56.
The spelling of 38628349823 in words is "thirty-eight billion, six hundred twenty-eight million, three hundred forty-nine thousand, eight hundred twenty-three".
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