Base | Representation |
---|---|
bin | 1111110000110001… |
… | …1011000100100101 |
3 | 101220212120220200122 |
4 | 3330030123010211 |
5 | 32131131140140 |
6 | 1535503251325 |
7 | 206564612243 |
oct | 37414330445 |
9 | 11825526618 |
10 | 4231115045 |
11 | 18813993a3 |
12 | 9a0ba9b45 |
13 | 525781391 |
14 | 2c1d15793 |
15 | 19b6c8ab5 |
hex | fc31b125 |
4231115045 has 4 divisors (see below), whose sum is σ = 5077338060. Its totient is φ = 3384892032.
The previous prime is 4231115003. The next prime is 4231115047. The reversal of 4231115045 is 5405111324.
4231115045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1778983684 + 2452131361 = 42178^2 + 49519^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-4231115045 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4231115047) 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, 423111500 + ... + 423111509.
It is an arithmetic number, because the mean of its divisors is an integer number (1269334515).
Almost surely, 24231115045 is an apocalyptic number.
It is an amenable number.
4231115045 is a deficient number, since it is larger than the sum of its proper divisors (846223015).
4231115045 is an equidigital number, since it uses as much as digits as its factorization.
4231115045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 846223014.
The product of its (nonzero) digits is 2400, while the sum is 26.
The square root of 4231115045 is about 65047.0217996182. The cubic root of 4231115045 is about 1617.4031255212.
Adding to 4231115045 its reverse (5405111324), we get a palindrome (9636226369).
The spelling of 4231115045 in words is "four billion, two hundred thirty-one million, one hundred fifteen thousand, forty-five".
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