Base | Representation |
---|---|
bin | 1010000101011011… |
… | …1010100110101001 |
3 | 20222122221220112212 |
4 | 2201112322212221 |
5 | 21021011421420 |
6 | 1124343214505 |
7 | 124041205325 |
oct | 24126724651 |
9 | 6878856485 |
10 | 2707138985 |
11 | 116a122651 |
12 | 636747435 |
13 | 341b15cb5 |
14 | 1b9770985 |
15 | 10c9e53c5 |
hex | a15ba9a9 |
2707138985 has 24 divisors (see below), whose sum is σ = 3423114240. Its totient is φ = 2054983392.
The previous prime is 2707138961. The next prime is 2707138999. The reversal of 2707138985 is 5898317072.
2707138985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2707138985 - 26 = 2707138921 is a prime.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 331886 + ... + 339944.
It is an arithmetic number, because the mean of its divisors is an integer number (142629760).
Almost surely, 22707138985 is an apocalyptic number.
It is an amenable number.
2707138985 is a deficient number, since it is larger than the sum of its proper divisors (715975255).
2707138985 is a wasteful number, since it uses less digits than its factorization.
2707138985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8237 (or 8214 counting only the distinct ones).
The product of its (nonzero) digits is 846720, while the sum is 50.
The square root of 2707138985 is about 52030.1737936748. The cubic root of 2707138985 is about 1393.7028379009.
The spelling of 2707138985 in words is "two billion, seven hundred seven million, one hundred thirty-eight thousand, nine hundred eighty-five".
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