Base | Representation |
---|---|
bin | 1000010100001010… |
… | …0001001110101001 |
3 | 12202112221212201021 |
4 | 2011002201032221 |
5 | 14032344430441 |
6 | 1005252052441 |
7 | 106211641306 |
oct | 20502411651 |
9 | 5675855637 |
10 | 2232030121 |
11 | a45a172a2 |
12 | 523604121 |
13 | 2975676a9 |
14 | 1726180ad |
15 | d0e473d1 |
hex | 850a13a9 |
2232030121 has 4 divisors (see below), whose sum is σ = 2269861200. Its totient is φ = 2194199044.
The previous prime is 2232030109. The next prime is 2232030131. The reversal of 2232030121 is 1210302322.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1210302322 = 2 ⋅605151161.
It is a cyclic number.
It is not a de Polignac number, because 2232030121 - 225 = 2198475689 is a prime.
It is a super-3 number, since 3×22320301213 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2232030095 and 2232030104.
It is not an unprimeable number, because it can be changed into a prime (2232030131) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18915451 + ... + 18915568.
It is an arithmetic number, because the mean of its divisors is an integer number (567465300).
Almost surely, 22232030121 is an apocalyptic number.
It is an amenable number.
2232030121 is a deficient number, since it is larger than the sum of its proper divisors (37831079).
2232030121 is an equidigital number, since it uses as much as digits as its factorization.
2232030121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37831078.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 2232030121 is about 47244.3660238975. The cubic root of 2232030121 is about 1306.8728941458.
Adding to 2232030121 its reverse (1210302322), we get a palindrome (3442332443).
It can be divided in two parts, 22320 and 30121, that added together give a square (52441 = 2292).
The spelling of 2232030121 in words is "two billion, two hundred thirty-two million, thirty thousand, one hundred twenty-one".
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