Base | Representation |
---|---|
bin | 100011111001010011… |
… | …010011111110000100 |
3 | 10200111002012002222221 |
4 | 203321103103332010 |
5 | 1112413313441214 |
6 | 25412303502124 |
7 | 2533054244200 |
oct | 437123237604 |
9 | 120432162887 |
10 | 38542327684 |
11 | 15389159283 |
12 | 75778b7944 |
13 | 3833090473 |
14 | 1c18b65b00 |
15 | 1008a4de24 |
hex | 8f94d3f84 |
38542327684 has 81 divisors (see below), whose sum is σ = 80852381253. Its totient is φ = 16029298656.
The previous prime is 38542327679. The next prime is 38542327709. The reversal of 38542327684 is 48672324583.
The square root of 38542327684 is 196322.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 34488204100 + 4054123584 = 185710^2 + 63672^2 .
It is a super-2 number, since 2×385423276842 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 101694607 + ... + 101694985.
Almost surely, 238542327684 is an apocalyptic number.
38542327684 is the 196322-nd square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 38542327684
38542327684 is an abundant number, since it is smaller than the sum of its proper divisors (42310053569).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38542327684 is an equidigital number, since it uses as much as digits as its factorization.
38542327684 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 850 (or 425 counting only the distinct ones).
The product of its digits is 7741440, while the sum is 52.
The spelling of 38542327684 in words is "thirty-eight billion, five hundred forty-two million, three hundred twenty-seven thousand, six hundred eighty-four".
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