Base | Representation |
---|---|
bin | 100100000000000000… |
… | …000000000000000000 |
3 | 10200202220122111121100 |
4 | 210000000000000000 |
5 | 1113131101040124 |
6 | 25431400254400 |
7 | 2535620401611 |
oct | 440000000000 |
9 | 120686574540 |
10 | 38654705664 |
11 | 15436634543 |
12 | 75a9471400 |
13 | 3850449003 |
14 | 1c29a59c08 |
15 | 101384b1c9 |
hex | 900000000 |
38654705664 has 99 divisors (see below), whose sum is σ = 111669149683. Its totient is φ = 12884901888.
The previous prime is 38654705641. The next prime is 38654705693. The reversal of 38654705664 is 46650745683.
The square root of 38654705664 is 196608.
It is a perfect power (a square), and thus also a powerful number.
It is a Jordan-Polya number, since it can be written as (4!)2 ⋅ (2!)26.
38654705664 is a `hidden beast` number, since 3 + 8 + 6 + 5 + 4 + 70 + 566 + 4 = 666.
It is a Duffinian number.
It is a nialpdrome in base 4, base 8 and base 16.
It is a zygodrome in base 8.
It is a self number, because there is not a number n which added to its sum of digits gives 38654705664.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (2) of ones.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 12884901887 + 12884901888 + 12884901889.
Almost surely, 238654705664 is an apocalyptic number.
38654705664 is the 196608-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 38654705664
38654705664 is an abundant number, since it is smaller than the sum of its proper divisors (73014444019).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38654705664 is an frugal number, since it uses more digits than its factorization.
38654705664 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70 (or 5 counting only the distinct ones).
The product of its (nonzero) digits is 14515200, while the sum is 54.
The spelling of 38654705664 in words is "thirty-eight billion, six hundred fifty-four million, seven hundred five thousand, six hundred sixty-four".
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