Search a number
-
+
23494668909 = 37831556303
BaseRepresentation
bin10101111000011001…
…000011001001101101
32020122101100211202120
4111320121003021231
5341104113401114
614443204143153
71461135250665
oct257031031155
966571324676
1023494668909
119a67145548
124678397ab9
1322a56c886a
1411cc4971a5
159279735a9
hex57864326d

23494668909 has 4 divisors (see below), whose sum is σ = 31326225216. Its totient is φ = 15663112604.

The previous prime is 23494668881. The next prime is 23494668917. The reversal of 23494668909 is 90986649432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23494668909 - 25 = 23494668877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23494668929) 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, 3915778149 + ... + 3915778154.

It is an arithmetic number, because the mean of its divisors is an integer number (7831556304).

Almost surely, 223494668909 is an apocalyptic number.

It is an amenable number.

23494668909 is a deficient number, since it is larger than the sum of its proper divisors (7831556307).

23494668909 is an equidigital number, since it uses as much as digits as its factorization.

23494668909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7831556306.

The product of its (nonzero) digits is 20155392, while the sum is 60.

The spelling of 23494668909 in words is "twenty-three billion, four hundred ninety-four million, six hundred sixty-eight thousand, nine hundred nine".

Divisors: 1 3 7831556303 23494668909