Base | Representation |
---|---|
bin | 111000011111101111… |
… | …1100001111000010011 |
3 | 102121011022002201221222 |
4 | 1300333133201320103 |
5 | 3441433011023011 |
6 | 131422521035255 |
7 | 11523346440356 |
oct | 1607737417023 |
9 | 377138081858 |
10 | 121324314131 |
11 | 474a9459a09 |
12 | 1b61b325b2b |
13 | b5966862b7 |
14 | 5c2d19629d |
15 | 3251399ddb |
hex | 1c3f7e1e13 |
121324314131 has 8 divisors (see below), whose sum is σ = 125903844720. Its totient is φ = 116771179168.
The previous prime is 121324314127. The next prime is 121324314151. The reversal of 121324314131 is 131413423121.
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 121324314131 - 22 = 121324314127 is a prime.
It is a super-2 number, since 2×1213243141312 (a number of 23 digits) contains 22 as substring.
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 121324314131.
It is not an unprimeable number, because it can be changed into a prime (121324314151) 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, 6589541 + ... + 6607926.
It is an arithmetic number, because the mean of its divisors is an integer number (15737980590).
Almost surely, 2121324314131 is an apocalyptic number.
121324314131 is a deficient number, since it is larger than the sum of its proper divisors (4579530589).
121324314131 is a wasteful number, since it uses less digits than its factorization.
121324314131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13197813.
The product of its digits is 1728, while the sum is 26.
Adding to 121324314131 its reverse (131413423121), we get a palindrome (252737737252).
The spelling of 121324314131 in words is "one hundred twenty-one billion, three hundred twenty-four million, three hundred fourteen thousand, one hundred thirty-one".
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