Search a number
-
+
12423133451 = 192328428223
BaseRepresentation
bin10111001000111100…
…11111100100001011
31012001210022120022202
423210132133210023
5200420310232301
65412422510415
7616566614651
oct134436374413
935053276282
1012423133451
1152a5598043
1224a859540b
13122ca15851
1485bcc4dd1
154ca9a366b
hex2e479f90b

12423133451 has 8 divisors (see below), whose sum is σ = 13645547520. Its totient is φ = 11257575912.

The previous prime is 12423133417. The next prime is 12423133453. The reversal of 12423133451 is 15433132421.

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 12423133451 - 222 = 12418939147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12423133453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14213675 + ... + 14214548.

It is an arithmetic number, because the mean of its divisors is an integer number (1705693440).

Almost surely, 212423133451 is an apocalyptic number.

12423133451 is a deficient number, since it is larger than the sum of its proper divisors (1222414069).

12423133451 is a wasteful number, since it uses less digits than its factorization.

12423133451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28428265.

The product of its digits is 8640, while the sum is 29.

Adding to 12423133451 its reverse (15433132421), we get a palindrome (27856265872).

The spelling of 12423133451 in words is "twelve billion, four hundred twenty-three million, one hundred thirty-three thousand, four hundred fifty-one".

Divisors: 1 19 23 437 28428223 540136237 653849129 12423133451