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80755331 is a prime number
BaseRepresentation
bin1001101000000…
…11101010000011
312121221210111012
410310003222003
5131133132311
612002511135
72000260166
oct464035203
9177853435
1080755331
1141647748
12230654ab
1313966127
14aa21add
15715278b
hex4d03a83

80755331 has 2 divisors, whose sum is σ = 80755332. Its totient is φ = 80755330.

The previous prime is 80755327. The next prime is 80755379. The reversal of 80755331 is 13355708.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80755331 - 22 = 80755327 is a prime.

It is a super-2 number, since 2×807553312 = 13042846969839122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80755391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40377665 + 40377666.

It is an arithmetic number, because the mean of its divisors is an integer number (40377666).

Almost surely, 280755331 is an apocalyptic number.

80755331 is a deficient number, since it is larger than the sum of its proper divisors (1).

80755331 is an equidigital number, since it uses as much as digits as its factorization.

80755331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 80755331 is about 8986.3969976849. The cubic root of 80755331 is about 432.2387850984.

The spelling of 80755331 in words is "eighty million, seven hundred fifty-five thousand, three hundred thirty-one".