Search a number
-
+
12423133103 = 113109939231
BaseRepresentation
bin10111001000111100…
…11111011110101111
31012001210022112211212
423210132133132233
5200420310224403
65412422505035
7616566613643
oct134436373657
935053275755
1012423133103
1152a5597857
1224a859517b
13122ca15644
1485bcc4c23
154ca9a34d8
hex2e479f7af

12423133103 has 4 divisors (see below), whose sum is σ = 12533072448. Its totient is φ = 12313193760.

The previous prime is 12423133067. The next prime is 12423133141. The reversal of 12423133103 is 30133132421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30133132421 = 74304733203.

It is a cyclic number.

It is not a de Polignac number, because 12423133103 - 210 = 12423132079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12423133153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54969503 + ... + 54969728.

It is an arithmetic number, because the mean of its divisors is an integer number (3133268112).

Almost surely, 212423133103 is an apocalyptic number.

12423133103 is a deficient number, since it is larger than the sum of its proper divisors (109939345).

12423133103 is a wasteful number, since it uses less digits than its factorization.

12423133103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109939344.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 12423133103 its reverse (30133132421), we get a palindrome (42556265524).

The spelling of 12423133103 in words is "twelve billion, four hundred twenty-three million, one hundred thirty-three thousand, one hundred three".

Divisors: 1 113 109939231 12423133103