Base | Representation |
---|---|
bin | 1011011111100101… |
… | …0001110101011101 |
3 | 21222000102201120120 |
4 | 2313321101311131 |
5 | 22304310331124 |
6 | 1230051305153 |
7 | 136312104453 |
oct | 26771216535 |
9 | 7860381516 |
10 | 3085245789 |
11 | 13435a490a |
12 | 7212ab1b9 |
13 | 3a2260532 |
14 | 213a769d3 |
15 | 130cd1d79 |
hex | b7e51d5d |
3085245789 has 4 divisors (see below), whose sum is σ = 4113661056. Its totient is φ = 2056830524.
The previous prime is 3085245773. The next prime is 3085245791. The reversal of 3085245789 is 9875425803.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9875425803 = 3 ⋅3291808601.
It is a cyclic number.
It is not a de Polignac number, because 3085245789 - 24 = 3085245773 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3085245749) 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, 514207629 + ... + 514207634.
It is an arithmetic number, because the mean of its divisors is an integer number (1028415264).
Almost surely, 23085245789 is an apocalyptic number.
It is an amenable number.
3085245789 is a deficient number, since it is larger than the sum of its proper divisors (1028415267).
3085245789 is a wasteful number, since it uses less digits than its factorization.
3085245789 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1028415266.
The product of its (nonzero) digits is 2419200, while the sum is 51.
The square root of 3085245789 is about 55544.9888738849. The cubic root of 3085245789 is about 1455.7828184406.
The spelling of 3085245789 in words is "three billion, eighty-five million, two hundred forty-five thousand, seven hundred eighty-nine".
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