Base | Representation |
---|---|
bin | 11111111101010… |
… | …11001100001101 |
3 | 200200110021201001 |
4 | 33332223030031 |
5 | 1022112304302 |
6 | 42334020301 |
7 | 6433465615 |
oct | 1776531415 |
9 | 620407631 |
10 | 268088077 |
11 | 1283685a4 |
12 | 75947691 |
13 | 437067ca |
14 | 27867a45 |
15 | 18808787 |
hex | ffab30d |
268088077 has 4 divisors (see below), whose sum is σ = 268373916. Its totient is φ = 267802240.
The previous prime is 268088071. The next prime is 268088087. The reversal of 268088077 is 770880862.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 770880862 = 2 ⋅385440431.
It can be written as a sum of positive squares in 2 ways, for example, as 194574601 + 73513476 = 13949^2 + 8574^2 .
It is a cyclic number.
It is not a de Polignac number, because 268088077 - 215 = 268055309 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (268088071) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141508 + ... + 143389.
It is an arithmetic number, because the mean of its divisors is an integer number (67093479).
Almost surely, 2268088077 is an apocalyptic number.
It is an amenable number.
268088077 is a deficient number, since it is larger than the sum of its proper divisors (285839).
268088077 is an equidigital number, since it uses as much as digits as its factorization.
268088077 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 285838.
The product of its (nonzero) digits is 301056, while the sum is 46.
The square root of 268088077 is about 16373.3954022982. The cubic root of 268088077 is about 644.8011942627.
The spelling of 268088077 in words is "two hundred sixty-eight million, eighty-eight thousand, seventy-seven".
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