Base | Representation |
---|---|
bin | 11011101010111… |
… | …10011100001001 |
3 | 121011210000200121 |
4 | 31311132130021 |
5 | 433410401441 |
6 | 35011103241 |
7 | 5516001610 |
oct | 1565363411 |
9 | 534700617 |
10 | 232122121 |
11 | 10a032870 |
12 | 658a1b21 |
13 | 3912318a |
14 | 22b84877 |
15 | 155a1dd1 |
hex | dd5e709 |
232122121 has 8 divisors (see below), whose sum is σ = 289399104. Its totient is φ = 180874320.
The previous prime is 232122101. The next prime is 232122133. The reversal of 232122121 is 121221232.
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 232122121 - 25 = 232122089 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 232122095 and 232122104.
It is not an unprimeable number, because it can be changed into a prime (232122101) 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, 1507210 + ... + 1507363.
It is an arithmetic number, because the mean of its divisors is an integer number (36174888).
Almost surely, 2232122121 is an apocalyptic number.
It is an amenable number.
232122121 is a deficient number, since it is larger than the sum of its proper divisors (57276983).
232122121 is a wasteful number, since it uses less digits than its factorization.
232122121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3014591.
The product of its digits is 96, while the sum is 16.
The square root of 232122121 is about 15235.5545025444. The cubic root of 232122121 is about 614.5711607091.
Adding to 232122121 its reverse (121221232), we get a palindrome (353343353).
It can be divided in two parts, 2321 and 22121, that added together give a palindrome (24442).
The spelling of 232122121 in words is "two hundred thirty-two million, one hundred twenty-two thousand, one hundred twenty-one".
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