Base | Representation |
---|---|
bin | 1000101011100100… |
… | …1000010010110101 |
3 | 20000101202001100111 |
4 | 2022321020102311 |
5 | 14233014410424 |
6 | 1023120543021 |
7 | 111513434161 |
oct | 21271102265 |
9 | 6011661314 |
10 | 2330231989 |
11 | a9639a868 |
12 | 550481a71 |
13 | 2b19cb8c7 |
14 | 18169bca1 |
15 | d9894194 |
hex | 8ae484b5 |
2330231989 has 2 divisors, whose sum is σ = 2330231990. Its totient is φ = 2330231988.
The previous prime is 2330231951. The next prime is 2330232059. The reversal of 2330231989 is 9891320332.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2133054225 + 197177764 = 46185^2 + 14042^2 .
It is a cyclic number.
It is not a de Polignac number, because 2330231989 - 231 = 182748341 is a prime.
It is a super-2 number, since 2×23302319892 = 10859962245117792242, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2330231929) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1165115994 + 1165115995.
It is an arithmetic number, because the mean of its divisors is an integer number (1165115995).
Almost surely, 22330231989 is an apocalyptic number.
It is an amenable number.
2330231989 is a deficient number, since it is larger than the sum of its proper divisors (1).
2330231989 is an equidigital number, since it uses as much as digits as its factorization.
2330231989 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 69984, while the sum is 40.
The square root of 2330231989 is about 48272.4765161267. The cubic root of 2330231989 is about 1325.7645027283.
The spelling of 2330231989 in words is "two billion, three hundred thirty million, two hundred thirty-one thousand, nine hundred eighty-nine".
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