Search a number
-
+
212200943 is a prime number
BaseRepresentation
bin11001010010111…
…10110111101111
3112210021220222012
430221132313233
5413310412233
633020111435
75154451433
oct1451366757
9483256865
10212200943
11a9866789
125b09557b
1334c698b6
142027a9c3
1513969548
hexca5edef

212200943 has 2 divisors, whose sum is σ = 212200944. Its totient is φ = 212200942.

The previous prime is 212200939. The next prime is 212200973. The reversal of 212200943 is 349002212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212200943 - 22 = 212200939 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212200903) 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, 106100471 + 106100472.

It is an arithmetic number, because the mean of its divisors is an integer number (106100472).

Almost surely, 2212200943 is an apocalyptic number.

212200943 is a deficient number, since it is larger than the sum of its proper divisors (1).

212200943 is an equidigital number, since it uses as much as digits as its factorization.

212200943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 212200943 is about 14567.1185551570. The cubic root of 212200943 is about 596.4615276749.

The spelling of 212200943 in words is "two hundred twelve million, two hundred thousand, nine hundred forty-three".