Base | Representation |
---|---|
bin | 1101011001101110000… |
… | …0011100110111000101 |
3 | 211000021222101202102001 |
4 | 3112123200130313011 |
5 | 12233014003220424 |
6 | 253434414145301 |
7 | 22430421523504 |
oct | 3263340346705 |
9 | 730258352361 |
10 | 230242241989 |
11 | 8971081a221 |
12 | 387577b2231 |
13 | 1893393b716 |
14 | b20278683b |
15 | 5ec849d844 |
hex | 359b81cdc5 |
230242241989 has 8 divisors (see below), whose sum is σ = 236472830360. Its totient is φ = 224012065536.
The previous prime is 230242241951. The next prime is 230242241993. The reversal of 230242241989 is 989142242032.
It can be written as a sum of positive squares in 4 ways, for example, as 1863389889 + 228378852100 = 43167^2 + 477890^2 .
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 230242241989 - 221 = 230240144837 is a prime.
It is a super-2 number, since 2×2302422419892 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230242241939) 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, 1276777 + ... + 1445905.
It is an arithmetic number, because the mean of its divisors is an integer number (29559103795).
Almost surely, 2230242241989 is an apocalyptic number.
It is an amenable number.
230242241989 is a deficient number, since it is larger than the sum of its proper divisors (6230588371).
230242241989 is a wasteful number, since it uses less digits than its factorization.
230242241989 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 205959.
The product of its (nonzero) digits is 497664, while the sum is 46.
The spelling of 230242241989 in words is "two hundred thirty billion, two hundred forty-two million, two hundred forty-one thousand, nine hundred eighty-nine".
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