Search a number
-
+
121430110112103 = 3133113592566977
BaseRepresentation
bin11011100111000010100110…
…100101000000100101100111
3120220221121100011021000012110
4123213002212211000211213
5111404002331142041403
61110132120015452103
734402015220442462
oct3347024645004547
9526847304230173
10121430110112103
1135767247533371
1211751b76227033
13529aa6c170010
1421db36a5882d9
15e08a20de0103
hex6e70a6940967

121430110112103 has 8 divisors (see below), whose sum is σ = 174361183750768. Its totient is φ = 74726221607424.

The previous prime is 121430110112071. The next prime is 121430110112161. The reversal of 121430110112103 is 301211011034121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121430110112103 - 25 = 121430110112071 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 121430110112103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121430110119103) 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, 1556796283450 + ... + 1556796283527.

It is an arithmetic number, because the mean of its divisors is an integer number (21795147968846).

Almost surely, 2121430110112103 is an apocalyptic number.

121430110112103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121430110112103 is a deficient number, since it is larger than the sum of its proper divisors (52931073638665).

121430110112103 is a wasteful number, since it uses less digits than its factorization.

121430110112103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3113592566993.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 121430110112103 its reverse (301211011034121), we get a palindrome (422641121146224).

The spelling of 121430110112103 in words is "one hundred twenty-one trillion, four hundred thirty billion, one hundred ten million, one hundred twelve thousand, one hundred three".

Divisors: 1 3 13 39 3113592566977 9340777700931 40476703370701 121430110112103