Base | Representation |
---|---|
bin | 11011011011110… |
… | …00001011000011 |
3 | 121001000211112002 |
4 | 31231320023003 |
5 | 432403132441 |
6 | 34500254215 |
7 | 5463035012 |
oct | 1555701303 |
9 | 531024462 |
10 | 230130371 |
11 | 1089a2399 |
12 | 650a136b |
13 | 388a6723 |
14 | 227c6a79 |
15 | 1530bb9b |
hex | db782c3 |
230130371 has 2 divisors, whose sum is σ = 230130372. Its totient is φ = 230130370.
The previous prime is 230130353. The next prime is 230130379. The reversal of 230130371 is 173031032.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-230130371 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (230130379) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115065185 + 115065186.
It is an arithmetic number, because the mean of its divisors is an integer number (115065186).
Almost surely, 2230130371 is an apocalyptic number.
230130371 is a deficient number, since it is larger than the sum of its proper divisors (1).
230130371 is an equidigital number, since it uses as much as digits as its factorization.
230130371 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 378, while the sum is 20.
The square root of 230130371 is about 15170.0484837722. The cubic root of 230130371 is about 612.8083099216.
The spelling of 230130371 in words is "two hundred thirty million, one hundred thirty thousand, three hundred seventy-one".
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