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68466131 is a prime number
BaseRepresentation
bin1000001010010…
…11010111010011
311202211102212122
410011023113103
5120011404011
610443244455
71460644466
oct405132723
9152742778
1068466131
1135713688
121ab1972b
1311252606
1491432dd
1560263db
hex414b5d3

68466131 has 2 divisors, whose sum is σ = 68466132. Its totient is φ = 68466130.

The previous prime is 68466103. The next prime is 68466143. The reversal of 68466131 is 13166486.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68466131 - 26 = 68466067 is a prime.

It is a super-2 number, since 2×684661312 = 9375222188218322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 68466091 and 68466100.

It is not a weakly prime, because it can be changed into another prime (68466731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34233065 + 34233066.

It is an arithmetic number, because the mean of its divisors is an integer number (34233066).

Almost surely, 268466131 is an apocalyptic number.

68466131 is a deficient number, since it is larger than the sum of its proper divisors (1).

68466131 is an equidigital number, since it uses as much as digits as its factorization.

68466131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 35.

The square root of 68466131 is about 8274.4263245255. The cubic root of 68466131 is about 409.0960274122.

The spelling of 68466131 in words is "sixty-eight million, four hundred sixty-six thousand, one hundred thirty-one".