Search a number
-
+
14235684881 = 111294153171
BaseRepresentation
bin11010100001000001…
…10101000000010001
31100202002221201110012
431100200311000101
5213123313404011
610312332044305
71012526216315
oct152040650021
940662851405
1014235684881
116045744830
122913603695
13145b3ab8a2
14990907b45
15584b8aa8b
hex350835011

14235684881 has 4 divisors (see below), whose sum is σ = 15529838064. Its totient is φ = 12941531700.

The previous prime is 14235684823. The next prime is 14235684913. The reversal of 14235684881 is 18848653241.

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 14235684881 - 218 = 14235422737 is a prime.

It is a super-2 number, since 2×142356848812 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14235684821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 647076575 + ... + 647076596.

It is an arithmetic number, because the mean of its divisors is an integer number (3882459516).

Almost surely, 214235684881 is an apocalyptic number.

14235684881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14235684881 is a deficient number, since it is larger than the sum of its proper divisors (1294153183).

14235684881 is a wasteful number, since it uses less digits than its factorization.

14235684881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294153182.

The product of its digits is 1474560, while the sum is 50.

The spelling of 14235684881 in words is "fourteen billion, two hundred thirty-five million, six hundred eighty-four thousand, eight hundred eighty-one".

Divisors: 1 11 1294153171 14235684881