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80202943 is a prime number
BaseRepresentation
bin1001100011111…
…00110010111111
312120220201202101
410301330302333
5131012443233
611543005531
71662466552
oct461746277
9176821671
1080202943
11412aa727
1222a398a7
1313801882
14a91a699
157093c7d
hex4c7ccbf

80202943 has 2 divisors, whose sum is σ = 80202944. Its totient is φ = 80202942.

The previous prime is 80202917. The next prime is 80203003. The reversal of 80202943 is 34920208.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80202943 - 25 = 80202911 is a prime.

It is a super-2 number, since 2×802029432 = 12865024131722498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80202043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40101471 + 40101472.

It is an arithmetic number, because the mean of its divisors is an integer number (40101472).

Almost surely, 280202943 is an apocalyptic number.

80202943 is a deficient number, since it is larger than the sum of its proper divisors (1).

80202943 is an equidigital number, since it uses as much as digits as its factorization.

80202943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 80202943 is about 8955.6095828257. The cubic root of 80202943 is about 431.2509865412.

The spelling of 80202943 in words is "eighty million, two hundred two thousand, nine hundred forty-three".