Search a number
-
+
12454433200 = 2452113149157
BaseRepresentation
bin10111001100101011…
…11001000110110000
31012010222012202111201
423212111321012300
5201001313330300
65415501420544
7620426635606
oct134625710660
935128182451
1012454433200
115311226000
1224b6b6a754
131236354301
14862111876
154cd5d766a
hex2e65791b0

12454433200 has 240 divisors, whose sum is σ = 33343624800. Its totient is φ = 4469836800.

The previous prime is 12454433149. The next prime is 12454433209. The reversal of 12454433200 is 233445421.

It is a happy number.

12454433200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×124544332002 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12454433209) 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 47 ways as a sum of consecutive naturals, for example, 79327522 + ... + 79327678.

It is an arithmetic number, because the mean of its divisors is an integer number (138931770).

Almost surely, 212454433200 is an apocalyptic number.

12454433200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12454433200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16671812400).

12454433200 is an abundant number, since it is smaller than the sum of its proper divisors (20889191600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12454433200 is a wasteful number, since it uses less digits than its factorization.

12454433200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 12454433200 its reverse (233445421), we get a palindrome (12687878621).

The spelling of 12454433200 in words is "twelve billion, four hundred fifty-four million, four hundred thirty-three thousand, two hundred".