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82280159287 is a prime number
BaseRepresentation
bin100110010100001000…
…1111001100000110111
321212101020122011111221
41030220101321200313
52322002210044122
6101444325211211
75641656546214
oct1145021714067
9255336564457
1082280159287
1131993006547
1213b43560b07
1379b36511b1
143da7920b0b
1522187716c7
hex1328479837

82280159287 has 2 divisors, whose sum is σ = 82280159288. Its totient is φ = 82280159286.

The previous prime is 82280159207. The next prime is 82280159333. The reversal of 82280159287 is 78295108228.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-82280159287 is a prime.

It is a super-2 number, since 2×822801592872 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82280159207) 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, 41140079643 + 41140079644.

It is an arithmetic number, because the mean of its divisors is an integer number (41140079644).

Almost surely, 282280159287 is an apocalyptic number.

82280159287 is a deficient number, since it is larger than the sum of its proper divisors (1).

82280159287 is an equidigital number, since it uses as much as digits as its factorization.

82280159287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1290240, while the sum is 52.

The spelling of 82280159287 in words is "eighty-two billion, two hundred eighty million, one hundred fifty-nine thousand, two hundred eighty-seven".