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69142124620841 is a prime number
BaseRepresentation
bin11111011100010011001111…
…10001101110110000101001
3100001210220220112202010221112
433232021213301232300221
533030311032400331331
6403015241544520105
720364232206153116
oct1756114761566051
9301726815663845
1069142124620841
11200380128a9468
127908259780035
132c770c752b75c
1413106d4ca590d
157ed82a77d32b
hex3ee267c6ec29

69142124620841 has 2 divisors, whose sum is σ = 69142124620842. Its totient is φ = 69142124620840.

The previous prime is 69142124620799. The next prime is 69142124620873. The reversal of 69142124620841 is 14802642124196.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40312785085225 + 28829339535616 = 6349235^2 + 5369296^2 .

It is a cyclic number.

It is not a de Polignac number, because 69142124620841 - 226 = 69142057511977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 69142124620841.

It is not a weakly prime, because it can be changed into another prime (69142124622841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34571062310420 + 34571062310421.

It is an arithmetic number, because the mean of its divisors is an integer number (34571062310421).

Almost surely, 269142124620841 is an apocalyptic number.

It is an amenable number.

69142124620841 is a deficient number, since it is larger than the sum of its proper divisors (1).

69142124620841 is an equidigital number, since it uses as much as digits as its factorization.

69142124620841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1327104, while the sum is 50.

The spelling of 69142124620841 in words is "sixty-nine trillion, one hundred forty-two billion, one hundred twenty-four million, six hundred twenty thousand, eight hundred forty-one".