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126866668627 is a prime number
BaseRepresentation
bin111011000100111010…
…1111011110001010011
3110010110120000112000201
41312021311323301103
54034310331344002
6134140505000031
712110605614316
oct1661165736123
9403416015021
10126866668627
1149892a21976
1220707483017
13bc6a9a93ba
1461d72b697d
153477c34087
hex1d89d7bc53

126866668627 has 2 divisors, whose sum is σ = 126866668628. Its totient is φ = 126866668626.

The previous prime is 126866668613. The next prime is 126866668639. The reversal of 126866668627 is 726866668621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126866668627 - 223 = 126858280019 is a prime.

It is not a weakly prime, because it can be changed into another prime (126866668657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63433334313 + 63433334314.

It is an arithmetic number, because the mean of its divisors is an integer number (63433334314).

Almost surely, 2126866668627 is an apocalyptic number.

126866668627 is a deficient number, since it is larger than the sum of its proper divisors (1).

126866668627 is an equidigital number, since it uses as much as digits as its factorization.

126866668627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 83607552, while the sum is 64.

The spelling of 126866668627 in words is "one hundred twenty-six billion, eight hundred sixty-six million, six hundred sixty-eight thousand, six hundred twenty-seven".