Base | Representation |
---|---|
bin | 1011010000100101101… |
… | …00101010100011000001 |
3 | 1100222120010201010020111 |
4 | 11220102310222203001 |
5 | 22314243342233124 |
6 | 453420005311321 |
7 | 36643551662554 |
oct | 5502264524301 |
9 | 1328503633214 |
10 | 386862852289 |
11 | 13a081aa3931 |
12 | 62b87705541 |
13 | 2a633a1a664 |
14 | 14a1d53669b |
15 | a0e3405494 |
hex | 5a12d2a8c1 |
386862852289 has 3 divisors (see below), whose sum is σ = 386863474273. Its totient is φ = 386862230306.
The previous prime is 386862852281. The next prime is 386862852329. The reversal of 386862852289 is 982258268683.
The square root of 386862852289 is 621983.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 982258268683 = 303097 ⋅3240739.
It is not a de Polignac number, because 386862852289 - 23 = 386862852281 is a prime.
It is a super-3 number, since 3×3868628522893 (a number of 36 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (386862852281) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 310992 + ... + 932974.
Almost surely, 2386862852289 is an apocalyptic number.
386862852289 is the 621983-rd square number.
386862852289 is the 310992-nd centered octagonal number.
It is an amenable number.
386862852289 is a deficient number, since it is larger than the sum of its proper divisors (621984).
386862852289 is an frugal number, since it uses more digits than its factorization.
386862852289 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1243966 (or 621983 counting only the distinct ones).
The product of its digits is 159252480, while the sum is 67.
The spelling of 386862852289 in words is "three hundred eighty-six billion, eight hundred sixty-two million, eight hundred fifty-two thousand, two hundred eighty-nine".
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