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112801813 is a prime number
BaseRepresentation
bin1101011100100…
…11100000010101
321212020220222221
412232103200111
5212334124223
615105422341
72536541155
oct656234025
9255226887
10112801813
1158745743
123193a9b1
131a4a6747
1410da4765
159d82b5d
hex6b93815

112801813 has 2 divisors, whose sum is σ = 112801814. Its totient is φ = 112801812.

The previous prime is 112801723. The next prime is 112801837. The reversal of 112801813 is 318108211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103693489 + 9108324 = 10183^2 + 3018^2 .

It is a cyclic number.

It is not a de Polignac number, because 112801813 - 29 = 112801301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112802813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56400906 + 56400907.

It is an arithmetic number, because the mean of its divisors is an integer number (56400907).

Almost surely, 2112801813 is an apocalyptic number.

It is an amenable number.

112801813 is a deficient number, since it is larger than the sum of its proper divisors (1).

112801813 is an equidigital number, since it uses as much as digits as its factorization.

112801813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 25.

The square root of 112801813 is about 10620.8197894513. The cubic root of 112801813 is about 483.1760064513.

The spelling of 112801813 in words is "one hundred twelve million, eight hundred one thousand, eight hundred thirteen".