Search a number
-
+
12453252211 = 47264962813
BaseRepresentation
bin10111001100100010…
…11000110001110011
31012010212222202111101
423212101120301303
5201001013032321
65415420225231
7620413616521
oct134621306163
935125882441
1012453252211
115310599784
1224b669b217
13123602c8ba
14861cc5311
154cd452791
hex2e6458c73

12453252211 has 4 divisors (see below), whose sum is σ = 12718215072. Its totient is φ = 12188289352.

The previous prime is 12453252209. The next prime is 12453252221. The reversal of 12453252211 is 11225235421.

It is a happy number.

12453252211 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, and also an emirpimes, since its reverse is a distinct semiprime: 11225235421 = 12601890821.

It is a cyclic number.

It is not a de Polignac number, because 12453252211 - 21 = 12453252209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12453252211.

It is not an unprimeable number, because it can be changed into a prime (12453252221) 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, 132481360 + ... + 132481453.

It is an arithmetic number, because the mean of its divisors is an integer number (3179553768).

Almost surely, 212453252211 is an apocalyptic number.

12453252211 is a deficient number, since it is larger than the sum of its proper divisors (264962861).

12453252211 is an equidigital number, since it uses as much as digits as its factorization.

12453252211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264962860.

The product of its digits is 4800, while the sum is 28.

Adding to 12453252211 its reverse (11225235421), we get a palindrome (23678487632).

The spelling of 12453252211 in words is "twelve billion, four hundred fifty-three million, two hundred fifty-two thousand, two hundred eleven".

Divisors: 1 47 264962813 12453252211