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427627035281 is a prime number
BaseRepresentation
bin1100011100100001000…
…11101011101010010001
31111212210001201011201202
412032100203223222101
524001240010112111
6524241003240545
742615665553245
oct6162043535221
91455701634652
10427627035281
111553a0349966
126aa63519155
133142c1c21b4
14169a93c8425
15b1cc03bb3b
hex63908eba91

427627035281 has 2 divisors, whose sum is σ = 427627035282. Its totient is φ = 427627035280.

The previous prime is 427627035259. The next prime is 427627035301. The reversal of 427627035281 is 182530726724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 328310664256 + 99316371025 = 572984^2 + 315145^2 .

It is a cyclic number.

It is not a de Polignac number, because 427627035281 - 218 = 427626773137 is a prime.

It is a super-2 number, since 2×4276270352812 (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (427627032281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213813517640 + 213813517641.

It is an arithmetic number, because the mean of its divisors is an integer number (213813517641).

Almost surely, 2427627035281 is an apocalyptic number.

It is an amenable number.

427627035281 is a deficient number, since it is larger than the sum of its proper divisors (1).

427627035281 is an equidigital number, since it uses as much as digits as its factorization.

427627035281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 427627035281 in words is "four hundred twenty-seven billion, six hundred twenty-seven million, thirty-five thousand, two hundred eighty-one".