Base | Representation |
---|---|
bin | 1011001000101111… |
… | …1110101010001101 |
3 | 21201100020120001000 |
4 | 2302023332222031 |
5 | 22110302002220 |
6 | 1212351010513 |
7 | 134040125535 |
oct | 26213765215 |
9 | 7640216030 |
10 | 2989484685 |
11 | 12a4539100 |
12 | 6b5209a39 |
13 | 388472265 |
14 | 20506a4c5 |
15 | 1276b8390 |
hex | b22fea8d |
2989484685 has 192 divisors, whose sum is σ = 6235891200. Its totient is φ = 1354890240.
The previous prime is 2989484683. The next prime is 2989484689. The reversal of 2989484685 is 5864849892.
2989484685 is a `hidden beast` number, since 2 + 98 + 9 + 484 + 68 + 5 = 666.
It is not a de Polignac number, because 2989484685 - 21 = 2989484683 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2989484683) by changing a digit.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 27426411 + ... + 27426519.
It is an arithmetic number, because the mean of its divisors is an integer number (32478600).
Almost surely, 22989484685 is an apocalyptic number.
It is an amenable number.
2989484685 is an abundant number, since it is smaller than the sum of its proper divisors (3246406515).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2989484685 is a wasteful number, since it uses less digits than its factorization.
2989484685 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 241 (or 224 counting only the distinct ones).
The product of its digits is 39813120, while the sum is 63.
The square root of 2989484685 is about 54676.1802341751. The cubic root of 2989484685 is about 1440.5625189453.
The spelling of 2989484685 in words is "two billion, nine hundred eighty-nine million, four hundred eighty-four thousand, six hundred eighty-five".
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