Base | Representation |
---|---|
bin | 100011101111111110… |
… | …010010100011100111 |
3 | 10200002011200210110102 |
4 | 203233332102203213 |
5 | 1112103232300202 |
6 | 25344553214315 |
7 | 2526144050165 |
oct | 435776224347 |
9 | 120064623412 |
10 | 38385821927 |
11 | 15308883182 |
12 | 753340139b |
13 | 38098242cb |
14 | 1c02066235 |
15 | ee9e36d02 |
hex | 8eff928e7 |
38385821927 has 2 divisors, whose sum is σ = 38385821928. Its totient is φ = 38385821926.
The previous prime is 38385821863. The next prime is 38385821941. The reversal of 38385821927 is 72912858383.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 38385821927 - 26 = 38385821863 is a prime.
It is a super-2 number, since 2×383858219272 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (38385821527) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19192910963 + 19192910964.
It is an arithmetic number, because the mean of its divisors is an integer number (19192910964).
Almost surely, 238385821927 is an apocalyptic number.
38385821927 is a deficient number, since it is larger than the sum of its proper divisors (1).
38385821927 is an equidigital number, since it uses as much as digits as its factorization.
38385821927 is an evil number, because the sum of its binary digits is even.
The product of its digits is 5806080, while the sum is 56.
The spelling of 38385821927 in words is "thirty-eight billion, three hundred eighty-five million, eight hundred twenty-one thousand, nine hundred twenty-seven".
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