Base | Representation |
---|---|
bin | 111000100110101001000… |
… | …101000110101011100101 |
3 | 111202212012121020202212201 |
4 | 320212221011012223211 |
5 | 1002212233203343334 |
6 | 12134535145414501 |
7 | 551012266143652 |
oct | 70465105065345 |
9 | 14685177222781 |
10 | 3889782090469 |
11 | 126a713646940 |
12 | 529a4819a431 |
13 | 222a604137a2 |
14 | d63a3234c29 |
15 | 6b2aebbbc14 |
hex | 389a9146ae5 |
3889782090469 has 16 divisors (see below), whose sum is σ = 4267099570176. Its totient is φ = 3516427652400.
The previous prime is 3889782090463. The next prime is 3889782090497. The reversal of 3889782090469 is 9640902879883.
It is a cyclic number.
It is not a de Polignac number, because 3889782090469 - 229 = 3889245219557 is a prime.
It is a super-2 number, since 2×38897820904692 (a number of 26 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3889782090463) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5744944 + ... + 6386230.
It is an arithmetic number, because the mean of its divisors is an integer number (266693723136).
Almost surely, 23889782090469 is an apocalyptic number.
It is an amenable number.
3889782090469 is a deficient number, since it is larger than the sum of its proper divisors (377317479707).
3889782090469 is a wasteful number, since it uses less digits than its factorization.
3889782090469 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 644376.
The product of its (nonzero) digits is 376233984, while the sum is 73.
The spelling of 3889782090469 in words is "three trillion, eight hundred eighty-nine billion, seven hundred eighty-two million, ninety thousand, four hundred sixty-nine".
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