Search a number
-
+
12288024299 = 19646738121
BaseRepresentation
bin10110111000110110…
…00101111011101011
31011201101002022102002
423130123011323223
5200131213234144
65351155001215
7613336324505
oct133433057353
934641068362
1012288024299
1152362a6591
12246b29920b
13120aa2b6c5
14847d94d75
154bdbb614e
hex2dc6c5eeb

12288024299 has 4 divisors (see below), whose sum is σ = 12934762440. Its totient is φ = 11641286160.

The previous prime is 12288024277. The next prime is 12288024317. The reversal of 12288024299 is 99242088221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99242088221 = 163608847167.

It is a cyclic number.

It is not a de Polignac number, because 12288024299 - 212 = 12288020203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12288024239) 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, 323369042 + ... + 323369079.

It is an arithmetic number, because the mean of its divisors is an integer number (3233690610).

Almost surely, 212288024299 is an apocalyptic number.

12288024299 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12288024299 is a deficient number, since it is larger than the sum of its proper divisors (646738141).

12288024299 is an equidigital number, since it uses as much as digits as its factorization.

12288024299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646738140.

The product of its (nonzero) digits is 331776, while the sum is 47.

The spelling of 12288024299 in words is "twelve billion, two hundred eighty-eight million, twenty-four thousand, two hundred ninety-nine".

Divisors: 1 19 646738121 12288024299