Search a number
-
+
14123020121 = 72306387481
BaseRepresentation
bin11010010011100110…
…00010111101011001
31100110020221202110022
431021303002331121
5212410443120441
610253225200225
71006660455530
oct151163027531
940406852408
1014123020121
115a98093061
1228a1930075
131440c52652
1497d97b317
15579d3384b
hex349cc2f59

14123020121 has 8 divisors (see below), whose sum is σ = 16141478784. Its totient is φ = 12104782560.

The previous prime is 14123020069. The next prime is 14123020123. The reversal of 14123020121 is 12102032141.

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 14123020121 - 26 = 14123020057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14123020121.

It is not an unprimeable number, because it can be changed into a prime (14123020123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117701 + ... + 205181.

It is an arithmetic number, because the mean of its divisors is an integer number (2017684848).

Almost surely, 214123020121 is an apocalyptic number.

It is an amenable number.

14123020121 is a deficient number, since it is larger than the sum of its proper divisors (2018458663).

14123020121 is an equidigital number, since it uses as much as digits as its factorization.

14123020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110551.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 14123020121 its reverse (12102032141), we get a palindrome (26225052262).

The spelling of 14123020121 in words is "fourteen billion, one hundred twenty-three million, twenty thousand, one hundred twenty-one".

Divisors: 1 7 23063 87481 161441 612367 2017574303 14123020121