Base | Representation |
---|---|
bin | 1101011100111101111… |
… | …0110000010001000101 |
3 | 211002112202011102222020 |
4 | 3113033132300101011 |
5 | 12241310214244141 |
6 | 254101123353353 |
7 | 22461140251401 |
oct | 3271736602105 |
9 | 732482142866 |
10 | 231114212421 |
11 | 8a018a47544 |
12 | 3895b822859 |
13 | 18a4249cc61 |
14 | b2864c8101 |
15 | 6029ce0266 |
hex | 35cf7b0445 |
231114212421 has 16 divisors (see below), whose sum is σ = 310911390144. Its totient is φ = 152696870144.
The previous prime is 231114212411. The next prime is 231114212471. The reversal of 231114212421 is 124212411132.
It is a cyclic number.
It is not a de Polignac number, because 231114212421 - 27 = 231114212293 is a prime.
It is a super-2 number, since 2×2311142124212 (a number of 24 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 231114212391 and 231114212400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231114212411) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3901990 + ... + 3960776.
It is an arithmetic number, because the mean of its divisors is an integer number (19431961884).
Almost surely, 2231114212421 is an apocalyptic number.
It is an amenable number.
231114212421 is a deficient number, since it is larger than the sum of its proper divisors (79797177723).
231114212421 is a wasteful number, since it uses less digits than its factorization.
231114212421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70500.
The product of its digits is 768, while the sum is 24.
Adding to 231114212421 its reverse (124212411132), we get a palindrome (355326623553).
The spelling of 231114212421 in words is "two hundred thirty-one billion, one hundred fourteen million, two hundred twelve thousand, four hundred twenty-one".
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