Base | Representation |
---|---|
bin | 1101011001101011001… |
… | …0111001111000010111 |
3 | 211000021010221011010210 |
4 | 3112122302321320113 |
5 | 12233002424132411 |
6 | 253433310220503 |
7 | 22430215164636 |
oct | 3263262717027 |
9 | 730233834123 |
10 | 230230302231 |
11 | 89705004756 |
12 | 387537b4733 |
13 | 1893131ac87 |
14 | b200d5951d |
15 | 5ec73e0ca6 |
hex | 359acb9e17 |
230230302231 has 12 divisors (see below), whose sum is σ = 317924051432. Its totient is φ = 148194215904.
The previous prime is 230230302209. The next prime is 230230302241. The reversal of 230230302231 is 132203032032.
It is not a de Polignac number, because 230230302231 - 234 = 213050433047 is a prime.
It is a super-2 number, since 2×2302303022312 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 230230302198 and 230230302207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230230302241) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45623776 + ... + 45628821.
Almost surely, 2230230302231 is an apocalyptic number.
230230302231 is a deficient number, since it is larger than the sum of its proper divisors (87693749201).
230230302231 is an equidigital number, since it uses as much as digits as its factorization.
230230302231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91252658 (or 91252629 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 21.
Adding to 230230302231 its reverse (132203032032), we get a palindrome (362433334263).
The spelling of 230230302231 in words is "two hundred thirty billion, two hundred thirty million, three hundred two thousand, two hundred thirty-one".
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