Search a number
-
+
12124444330 = 251212444433
BaseRepresentation
bin10110100101010110…
…00101011010101010
31011021222021120212201
423102223011122222
5144312324204310
65323032530414
7606312035125
oct132253053252
934258246781
1012124444330
115161a29529
122424550a0a
1311b2b8661b
148303733bc
154ae652e3a
hex2d2ac56aa

12124444330 has 8 divisors (see below), whose sum is σ = 21823999812. Its totient is φ = 4849777728.

The previous prime is 12124444313. The next prime is 12124444333. The reversal of 12124444330 is 3344442121.

12124444330 is digitally balanced in base 2, 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 2 ways, for example, as 11976894721 + 147549609 = 109439^2 + 12147^2 .

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

It is a super-2 number, since 2×121244443302 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12124444333) 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 3 ways as a sum of consecutive naturals, for example, 606222207 + ... + 606222226.

Almost surely, 212124444330 is an apocalyptic number.

12124444330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12124444330 is a deficient number, since it is larger than the sum of its proper divisors (9699555482).

12124444330 is a wasteful number, since it uses less digits than its factorization.

12124444330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212444440.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 12124444330 its reverse (3344442121), we get a palindrome (15468886451).

The spelling of 12124444330 in words is "twelve billion, one hundred twenty-four million, four hundred forty-four thousand, three hundred thirty".

Divisors: 1 2 5 10 1212444433 2424888866 6062222165 12124444330