Search a number
-
+
23425983431 = 13121365071
BaseRepresentation
bin10101110100010011…
…000010001111000111
32020110121010020222222
4111310103002033013
5340434022432211
614432312042555
71456342400534
oct256423021707
966417106888
1023425983431
119a313a2094
12465939345b
1322943ca476
1411c32d7d8b
159219071db
hex5744c23c7

23425983431 has 6 divisors (see below), whose sum is σ = 23606190096. Its totient is φ = 23247142100.

The previous prime is 23425983421. The next prime is 23425983439. The reversal of 23425983431 is 13438952432.

It is a de Polignac number, because none of the positive numbers 2k-23425983431 is a prime.

It is a super-2 number, since 2×234259834312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23425983439) 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 5 ways as a sum of consecutive naturals, for example, 665375 + ... + 699696.

It is an arithmetic number, because the mean of its divisors is an integer number (3934365016).

Almost surely, 223425983431 is an apocalyptic number.

23425983431 is a deficient number, since it is larger than the sum of its proper divisors (180206665).

23425983431 is an equidigital number, since it uses as much as digits as its factorization.

23425983431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365333 (or 1365202 counting only the distinct ones).

The product of its digits is 622080, while the sum is 44.

The spelling of 23425983431 in words is "twenty-three billion, four hundred twenty-five million, nine hundred eighty-three thousand, four hundred thirty-one".

Divisors: 1 131 17161 1365071 178824301 23425983431