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80627642833 is a prime number
BaseRepresentation
bin100101100010111001…
…0000011000111010001
321201010002010122002211
41023011302003013101
52310111134032313
6101012334112121
75553012441043
oct1130562030721
9251102118084
1080627642833
1131215225471
121376204b641
1377ac18b7ca
143c8c279a93
15216d64be3d
hex12c5c831d1

80627642833 has 2 divisors, whose sum is σ = 80627642834. Its totient is φ = 80627642832.

The previous prime is 80627642827. The next prime is 80627642867. The reversal of 80627642833 is 33824672608.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66168301824 + 14459341009 = 257232^2 + 120247^2 .

It is a cyclic number.

It is not a de Polignac number, because 80627642833 - 233 = 72037708241 is a prime.

It is not a weakly prime, because it can be changed into another prime (80627642873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40313821416 + 40313821417.

It is an arithmetic number, because the mean of its divisors is an integer number (40313821417).

Almost surely, 280627642833 is an apocalyptic number.

It is an amenable number.

80627642833 is a deficient number, since it is larger than the sum of its proper divisors (1).

80627642833 is an equidigital number, since it uses as much as digits as its factorization.

80627642833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2322432, while the sum is 49.

The spelling of 80627642833 in words is "eighty billion, six hundred twenty-seven million, six hundred forty-two thousand, eight hundred thirty-three".