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42102300269 is a prime number
BaseRepresentation
bin100111001101011111…
…100001111001101101
311000200011220110022102
4213031133201321231
51142211142102034
631201434224445
73020222435051
oct471537417155
9130604813272
1042102300269
1116945718387
1281abb85125
133c7c797413
142075895c61
15116635597e
hex9cd7e1e6d

42102300269 has 2 divisors, whose sum is σ = 42102300270. Its totient is φ = 42102300268.

The previous prime is 42102300209. The next prime is 42102300271. The reversal of 42102300269 is 96200320124.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37118646244 + 4983654025 = 192662^2 + 70595^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42102300269 is a prime.

It is a super-2 number, since 2×421023002692 (a number of 22 digits) contains 22 as substring.

Together with 42102300271, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42102300209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21051150134 + 21051150135.

It is an arithmetic number, because the mean of its divisors is an integer number (21051150135).

Almost surely, 242102300269 is an apocalyptic number.

It is an amenable number.

42102300269 is a deficient number, since it is larger than the sum of its proper divisors (1).

42102300269 is an equidigital number, since it uses as much as digits as its factorization.

42102300269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 42102300269 in words is "forty-two billion, one hundred two million, three hundred thousand, two hundred sixty-nine".