Base | Representation |
---|---|
bin | 10001101011010111000110… |
… | …10010001110011101011001 |
3 | 12002122020200211110001120100 |
4 | 20311223203102032131121 |
5 | 20043344422403002044 |
6 | 214402044334450013 |
7 | 11121333541415541 |
oct | 1065534322163531 |
9 | 162566624401510 |
10 | 38873267234649 |
11 | 11428072a25881 |
12 | 4439a96663909 |
13 | 188c96c2a6b53 |
14 | 985694894321 |
15 | 4762b23c1869 |
hex | 235ae348e759 |
38873267234649 has 27 divisors (see below), whose sum is σ = 56230063124053. Its totient is φ = 25878738385752.
The previous prime is 38873267234587. The next prime is 38873267234759. The reversal of 38873267234649 is 94643276237883.
It is a happy number.
The square root of 38873267234649 is 6234843.
It is a perfect power (a square), and thus also a powerful number.
38873267234649 is a `hidden beast` number, since 3 + 8 + 8 + 7 + 326 + 7 + 234 + 64 + 9 = 666.
It is not a de Polignac number, because 38873267234649 - 219 = 38873266710361 is a prime.
It is a super-2 number, since 2×388732672346492 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38873267234149) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 21753366334 + ... + 21753368120.
Almost surely, 238873267234649 is an apocalyptic number.
38873267234649 is the 6234843-rd square number.
38873267234649 is the 3117422-nd centered octagonal number.
It is an amenable number.
38873267234649 is a deficient number, since it is larger than the sum of its proper divisors (17356795889404).
38873267234649 is an frugal number, since it uses more digits than its factorization.
38873267234649 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5906 (or 2953 counting only the distinct ones).
The product of its digits is 1755758592, while the sum is 72.
The spelling of 38873267234649 in words is "thirty-eight trillion, eight hundred seventy-three billion, two hundred sixty-seven million, two hundred thirty-four thousand, six hundred forty-nine".
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