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230916013 is a prime number
BaseRepresentation
bin11011100001101…
…11111110101101
3121002111202012221
431300313332231
5433103303023
634525155341
75502516346
oct1560677655
9532452187
10230916013
11109389689
12653bbb51
1338ac01c3
142294d0cd
151541485d
hexdc37fad

230916013 has 2 divisors, whose sum is σ = 230916014. Its totient is φ = 230916012.

The previous prime is 230915989. The next prime is 230916017. The reversal of 230916013 is 310619032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 226863844 + 4052169 = 15062^2 + 2013^2 .

It is a cyclic number.

It is not a de Polignac number, because 230916013 - 225 = 197361581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230916017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115458006 + 115458007.

It is an arithmetic number, because the mean of its divisors is an integer number (115458007).

Almost surely, 2230916013 is an apocalyptic number.

It is an amenable number.

230916013 is a deficient number, since it is larger than the sum of its proper divisors (1).

230916013 is an equidigital number, since it uses as much as digits as its factorization.

230916013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 230916013 is about 15195.9209329346. The cubic root of 230916013 is about 613.5048732207.

The spelling of 230916013 in words is "two hundred thirty million, nine hundred sixteen thousand, thirteen".