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121413114113 = 177141947889
BaseRepresentation
bin111000100010011001…
…0010001100100000001
3102121101111012020122012
41301010302101210001
53442123224122423
6131435412222305
711525505304424
oct1610462214401
9377344166565
10121413114113
11475445a0725
121b64500a995
13b5abba7c75
145c3acad9bb
15325908b078
hex1c44c91901

121413114113 has 4 divisors (see below), whose sum is σ = 128555062020. Its totient is φ = 114271166208.

The previous prime is 121413114091. The next prime is 121413114143. The reversal of 121413114113 is 311411314121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311411314121 = 349892296029.

It can be written as a sum of positive squares in 2 ways, for example, as 59483307664 + 61929806449 = 243892^2 + 248857^2 .

It is a cyclic number.

It is not a de Polignac number, because 121413114113 - 210 = 121413113089 is a prime.

It is a super-2 number, since 2×1214131141132 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121413114143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3570973928 + ... + 3570973961.

It is an arithmetic number, because the mean of its divisors is an integer number (32138765505).

Almost surely, 2121413114113 is an apocalyptic number.

It is an amenable number.

121413114113 is a deficient number, since it is larger than the sum of its proper divisors (7141947907).

121413114113 is an equidigital number, since it uses as much as digits as its factorization.

121413114113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7141947906.

The product of its digits is 288, while the sum is 23.

Adding to 121413114113 its reverse (311411314121), we get a palindrome (432824428234).

The spelling of 121413114113 in words is "one hundred twenty-one billion, four hundred thirteen million, one hundred fourteen thousand, one hundred thirteen".

Divisors: 1 17 7141947889 121413114113