Base | Representation |
---|---|
bin | 1101011000111011011… |
… | …1100111110011010101 |
3 | 210222202012102112100221 |
4 | 3112032313213303111 |
5 | 12232100213243214 |
6 | 253401401434341 |
7 | 22422235354252 |
oct | 3261667476325 |
9 | 728665375327 |
10 | 230030212309 |
11 | 89612070187 |
12 | 386b879b9b1 |
13 | 188cba31a81 |
14 | b1c2552429 |
15 | 5eb4a69e24 |
hex | 358ede7cd5 |
230030212309 has 2 divisors, whose sum is σ = 230030212310. Its totient is φ = 230030212308.
The previous prime is 230030212283. The next prime is 230030212343. The reversal of 230030212309 is 903212030032.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 208891960209 + 21138252100 = 457047^2 + 145390^2 .
It is a cyclic number.
It is not a de Polignac number, because 230030212309 - 25 = 230030212277 is a prime.
It is a super-2 number, since 2×2300302123092 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (230030210309) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115015106154 + 115015106155.
It is an arithmetic number, because the mean of its divisors is an integer number (115015106155).
Almost surely, 2230030212309 is an apocalyptic number.
It is an amenable number.
230030212309 is a deficient number, since it is larger than the sum of its proper divisors (1).
230030212309 is an equidigital number, since it uses as much as digits as its factorization.
230030212309 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1944, while the sum is 25.
The spelling of 230030212309 in words is "two hundred thirty billion, thirty million, two hundred twelve thousand, three hundred nine".
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