Search a number
-
+
4231893665 = 52293695977
BaseRepresentation
bin1111110000111101…
…1001001010100001
3101220221001110202102
43330033121022201
532131331044130
61535532100145
7206604334256
oct37417311241
911827043672
104231893665
11188188038a
129a1304655
135259948bc
142c207942d
1519b7ce645
hexfc3d92a1

4231893665 has 8 divisors (see below), whose sum is σ = 5100449640. Its totient is φ = 3370730112.

The previous prime is 4231893661. The next prime is 4231893683. The reversal of 4231893665 is 5663981324.

4231893665 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 538657681 + 3693235984 = 23209^2 + 60772^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4231893665 - 22 = 4231893661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4231893661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1846844 + ... + 1849133.

It is an arithmetic number, because the mean of its divisors is an integer number (637556205).

Almost surely, 24231893665 is an apocalyptic number.

It is an amenable number.

4231893665 is a deficient number, since it is larger than the sum of its proper divisors (868555975).

4231893665 is a wasteful number, since it uses less digits than its factorization.

4231893665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3696211.

The product of its digits is 933120, while the sum is 47.

The square root of 4231893665 is about 65053.0065792504. The cubic root of 4231893665 is about 1617.5023322446.

The spelling of 4231893665 in words is "four billion, two hundred thirty-one million, eight hundred ninety-three thousand, six hundred sixty-five".

Divisors: 1 5 229 1145 3695977 18479885 846378733 4231893665