Search a number
-
+
112772813 is a prime number
BaseRepresentation
bin1101011100011…
…00011011001101
321212012110012212
412232030123031
5212332212223
615105040205
72536360466
oct656143315
9255173185
10112772813
115872597a
1231926065
131a49649a
1410d97d6d
159d79278
hex6b8c6cd

112772813 has 2 divisors, whose sum is σ = 112772814. Its totient is φ = 112772812.

The previous prime is 112772753. The next prime is 112772819. The reversal of 112772813 is 318277211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78818884 + 33953929 = 8878^2 + 5827^2 .

It is a cyclic number.

It is not a de Polignac number, because 112772813 - 226 = 45663949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112772813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112772819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56386406 + 56386407.

It is an arithmetic number, because the mean of its divisors is an integer number (56386407).

Almost surely, 2112772813 is an apocalyptic number.

It is an amenable number.

112772813 is a deficient number, since it is larger than the sum of its proper divisors (1).

112772813 is an equidigital number, since it uses as much as digits as its factorization.

112772813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4704, while the sum is 32.

The square root of 112772813 is about 10619.4544586810. The cubic root of 112772813 is about 483.1345966407.

The spelling of 112772813 in words is "one hundred twelve million, seven hundred seventy-two thousand, eight hundred thirteen".