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18274083032287 is a prime number
BaseRepresentation
bin1000010011110110001000…
…01110100100110011011111
32101200222121021012022101201
410021323010032210303133
54343400310224013122
6102510555311420331
73564154545606445
oct411730416446337
971628537168351
1018274083032287
115905aa4516075
1220717815246a7
13a2731438a214
14472682870b95
1521a53e115a27
hex109ec43a4cdf

18274083032287 has 2 divisors, whose sum is σ = 18274083032288. Its totient is φ = 18274083032286.

The previous prime is 18274083032251. The next prime is 18274083032399. The reversal of 18274083032287 is 78223038047281.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18274083032287 - 235 = 18239723293919 is a prime.

It is a super-2 number, since 2×182740830322872 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18274083332287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9137041516143 + 9137041516144.

It is an arithmetic number, because the mean of its divisors is an integer number (9137041516144).

Almost surely, 218274083032287 is an apocalyptic number.

18274083032287 is a deficient number, since it is larger than the sum of its proper divisors (1).

18274083032287 is an equidigital number, since it uses as much as digits as its factorization.

18274083032287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7225344, while the sum is 55.

The spelling of 18274083032287 in words is "eighteen trillion, two hundred seventy-four billion, eighty-three million, thirty-two thousand, two hundred eighty-seven".