Base | Representation |
---|---|
bin | 1000000101010101… |
… | …1001010100010101 |
3 | 12121012222210111100 |
4 | 2001111121110111 |
5 | 13420441311324 |
6 | 555151500313 |
7 | 104525405256 |
oct | 20125312425 |
9 | 5535883440 |
10 | 2169869589 |
11 | a13920158 |
12 | 506827699 |
13 | 287712204 |
14 | 168276b2d |
15 | ca7694c9 |
hex | 81559515 |
2169869589 has 12 divisors (see below), whose sum is σ = 3135802176. Its totient is φ = 1445866152.
The previous prime is 2169869561. The next prime is 2169869599. The reversal of 2169869589 is 9859689612.
It is not a de Polignac number, because 2169869589 - 28 = 2169869333 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2169869509) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39867 + ... + 77000.
It is an arithmetic number, because the mean of its divisors is an integer number (261316848).
Almost surely, 22169869589 is an apocalyptic number.
It is an amenable number.
2169869589 is a deficient number, since it is larger than the sum of its proper divisors (965932587).
2169869589 is a wasteful number, since it uses less digits than its factorization.
2169869589 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 118936 (or 118933 counting only the distinct ones).
The product of its digits is 16796160, while the sum is 63.
The square root of 2169869589 is about 46581.8590118514. The cubic root of 2169869589 is about 1294.6266548471.
The spelling of 2169869589 in words is "two billion, one hundred sixty-nine million, eight hundred sixty-nine thousand, five hundred eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •