Base | Representation |
---|---|
bin | 1101011001010000111… |
… | …0010000010001011001 |
3 | 210222222110102210220000 |
4 | 3112110032100101121 |
5 | 12232241212000241 |
6 | 253414330523213 |
7 | 22424405664255 |
oct | 3262416202131 |
9 | 728873383800 |
10 | 230120031321 |
11 | 89658838574 |
12 | 38722896509 |
13 | 1891451c50b |
14 | b1d0453265 |
15 | 5ebc8aceb6 |
hex | 3594390459 |
230120031321 has 40 divisors (see below), whose sum is σ = 345395313120. Its totient is φ = 152684699328.
The previous prime is 230120031301. The next prime is 230120031367. The reversal of 230120031321 is 123130021032.
230120031321 is a `hidden beast` number, since 230 + 120 + 0 + 313 + 2 + 1 = 666.
It is not a de Polignac number, because 230120031321 - 25 = 230120031289 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 230120031294 and 230120031303.
It is not an unprimeable number, because it can be changed into a prime (230120031301) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20235325 + ... + 20246693.
It is an arithmetic number, because the mean of its divisors is an integer number (8634882828).
Almost surely, 2230120031321 is an apocalyptic number.
It is an amenable number.
230120031321 is a deficient number, since it is larger than the sum of its proper divisors (115275281799).
230120031321 is a wasteful number, since it uses less digits than its factorization.
230120031321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12547 (or 12538 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 230120031321 its reverse (123130021032), we get a palindrome (353250052353).
The spelling of 230120031321 in words is "two hundred thirty billion, one hundred twenty million, thirty-one thousand, three hundred twenty-one".
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