Base | Representation |
---|---|
bin | 1010000001010010… |
… | …0001100011100101 |
3 | 20221110012200121120 |
4 | 2200110201203211 |
5 | 21002033004020 |
6 | 1122522204153 |
7 | 123440240445 |
oct | 24024414345 |
9 | 6843180546 |
10 | 2689734885 |
11 | 11603156a2 |
12 | 630953659 |
13 | 33b331306 |
14 | 1b7320125 |
15 | 10b208740 |
hex | a05218e5 |
2689734885 has 48 divisors (see below), whose sum is σ = 4515134400. Its totient is φ = 1367187712.
The previous prime is 2689734877. The next prime is 2689734889. The reversal of 2689734885 is 5884379862.
It is not a de Polignac number, because 2689734885 - 23 = 2689734877 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2689734889) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3324361 + ... + 3325169.
It is an arithmetic number, because the mean of its divisors is an integer number (94065300).
Almost surely, 22689734885 is an apocalyptic number.
It is an amenable number.
2689734885 is a deficient number, since it is larger than the sum of its proper divisors (1825399515).
2689734885 is a wasteful number, since it uses less digits than its factorization.
2689734885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1282 (or 1259 counting only the distinct ones).
The product of its digits is 23224320, while the sum is 60.
The square root of 2689734885 is about 51862.6540489397. The cubic root of 2689734885 is about 1390.7097258886.
The spelling of 2689734885 in words is "two billion, six hundred eighty-nine million, seven hundred thirty-four thousand, eight hundred eighty-five".
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