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68797092473 is a prime number
BaseRepresentation
bin100000000010010100…
…0000101001001111001
320120120120212101221222
41000010220011021321
52111344023424343
651334400241425
74653566431424
oct1000450051171
9216516771858
1068797092473
11271a418a91a
1211400010275
136645175955
143488d6a9bb
151bc9beda68
hex1004a05279

68797092473 has 2 divisors, whose sum is σ = 68797092474. Its totient is φ = 68797092472.

The previous prime is 68797092461. The next prime is 68797092491. The reversal of 68797092473 is 37429079786.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41064185449 + 27732907024 = 202643^2 + 166532^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-68797092473 is a prime.

It is not a weakly prime, because it can be changed into another prime (68797092433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34398546236 + 34398546237.

It is an arithmetic number, because the mean of its divisors is an integer number (34398546237).

Almost surely, 268797092473 is an apocalyptic number.

It is an amenable number.

68797092473 is a deficient number, since it is larger than the sum of its proper divisors (1).

68797092473 is an equidigital number, since it uses as much as digits as its factorization.

68797092473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32006016, while the sum is 62.

The spelling of 68797092473 in words is "sixty-eight billion, seven hundred ninety-seven million, ninety-two thousand, four hundred seventy-three".