Base | Representation |
---|---|
bin | 1101011010000011010… |
… | …0010000101010111101 |
3 | 211000112012000102212110 |
4 | 3112200310100222331 |
5 | 12233204304233041 |
6 | 253451315324233 |
7 | 22432552632234 |
oct | 3264064205275 |
9 | 730465012773 |
10 | 230331321021 |
11 | 8975703165a |
12 | 387815b0679 |
13 | 1894922a3c9 |
14 | b210533b1b |
15 | 5ed11e7516 |
hex | 35a0d10abd |
230331321021 has 8 divisors (see below), whose sum is σ = 308461329504. Its totient is φ = 152877763280.
The previous prime is 230331321013. The next prime is 230331321047. The reversal of 230331321021 is 120123133032.
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 230331321021 - 23 = 230331321013 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230331321001) 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, 169111890 + ... + 169113251.
It is an arithmetic number, because the mean of its divisors is an integer number (38557666188).
Almost surely, 2230331321021 is an apocalyptic number.
It is an amenable number.
230331321021 is a deficient number, since it is larger than the sum of its proper divisors (78130008483).
230331321021 is a wasteful number, since it uses less digits than its factorization.
230331321021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 338225371.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 230331321021 its reverse (120123133032), we get a palindrome (350454454053).
The spelling of 230331321021 in words is "two hundred thirty billion, three hundred thirty-one million, three hundred twenty-one thousand, twenty-one".
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