Base | Representation |
---|---|
bin | 10001011101001111010101… |
… | …10000100110000001010011 |
3 | 12000220212021222221100001021 |
4 | 20232213222300212001103 |
5 | 20012422222200102124 |
6 | 213351122032220311 |
7 | 11041305642324043 |
oct | 1056475260460123 |
9 | 160825258840037 |
10 | 38388061331539 |
11 | 11260315935337 |
12 | 437ba4409a697 |
13 | 1855c95131c7a |
14 | 969dc63b7723 |
15 | 46886547e7e4 |
hex | 22e9eac26053 |
38388061331539 has 2 divisors, whose sum is σ = 38388061331540. Its totient is φ = 38388061331538.
The previous prime is 38388061331509. The next prime is 38388061331567. The reversal of 38388061331539 is 93513316088383.
It is a strong prime.
It is an emirp because it is prime and its reverse (93513316088383) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 38388061331539 - 25 = 38388061331507 is a prime.
It is a super-2 number, since 2×383880613315392 (a number of 28 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (38388061331509) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19194030665769 + 19194030665770.
It is an arithmetic number, because the mean of its divisors is an integer number (19194030665770).
Almost surely, 238388061331539 is an apocalyptic number.
38388061331539 is a deficient number, since it is larger than the sum of its proper divisors (1).
38388061331539 is an equidigital number, since it uses as much as digits as its factorization.
38388061331539 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 33592320, while the sum is 61.
The spelling of 38388061331539 in words is "thirty-eight trillion, three hundred eighty-eight billion, sixty-one million, three hundred thirty-one thousand, five hundred thirty-nine".
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