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68952761827 is a prime number
BaseRepresentation
bin100000000110111100…
…1111010010111100011
320120222102210020011121
41000031321322113203
52112203401334302
651402040553111
74660466543065
oct1001571722743
9216872706147
1068952761827
1127274044584
1211444182797
13666b4ab1b1
1434a18cd735
151bd86ece37
hex100de7a5e3

68952761827 has 2 divisors, whose sum is σ = 68952761828. Its totient is φ = 68952761826.

The previous prime is 68952761807. The next prime is 68952761863. The reversal of 68952761827 is 72816725986.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-68952761827 is a prime.

It is not a weakly prime, because it can be changed into another prime (68952761807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34476380913 + 34476380914.

It is an arithmetic number, because the mean of its divisors is an integer number (34476380914).

Almost surely, 268952761827 is an apocalyptic number.

68952761827 is a deficient number, since it is larger than the sum of its proper divisors (1).

68952761827 is an equidigital number, since it uses as much as digits as its factorization.

68952761827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20321280, while the sum is 61.

The spelling of 68952761827 in words is "sixty-eight billion, nine hundred fifty-two million, seven hundred sixty-one thousand, eight hundred twenty-seven".