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68302464875 = 53546419719
BaseRepresentation
bin111111100111001001…
…001110011101101011
320112022010010201110022
4333213021032131223
52104340412334000
651213330511055
74635412241441
oct774711163553
9215263121408
1068302464875
1126a6aa62887
12112a243548b
136596851cb8
14343d3b2b91
151b9b597585
hexfe724e76b

68302464875 has 8 divisors (see below), whose sum is σ = 85241476320. Its totient is φ = 54641971800.

The previous prime is 68302464871. The next prime is 68302464883. The reversal of 68302464875 is 57846420386.

It is a happy number.

It is not a de Polignac number, because 68302464875 - 22 = 68302464871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68302464871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273209735 + ... + 273209984.

It is an arithmetic number, because the mean of its divisors is an integer number (10655184540).

Almost surely, 268302464875 is an apocalyptic number.

68302464875 is a deficient number, since it is larger than the sum of its proper divisors (16939011445).

68302464875 is an equidigital number, since it uses as much as digits as its factorization.

68302464875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546419734 (or 546419724 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 53.

The spelling of 68302464875 in words is "sixty-eight billion, three hundred two million, four hundred sixty-four thousand, eight hundred seventy-five".

Divisors: 1 5 25 125 546419719 2732098595 13660492975 68302464875