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8428316139 = 33292371177
BaseRepresentation
bin1111101100101110…
…11110010111101011
3210202101100211012000
413312113132113223
5114230122104024
63512200022043
7415601335155
oct76627362753
923671324160
108428316139
113635623731
121772761923
13a441ba119
1459d51dad5
15344e03cc9
hex1f65de5eb

8428316139 has 24 divisors (see below), whose sum is σ = 12931841520. Its totient is φ = 5425108416.

The previous prime is 8428316107. The next prime is 8428316159. The reversal of 8428316139 is 9316138248.

8428316139 is a `hidden beast` number, since 8 + 4 + 28 + 3 + 1 + 613 + 9 = 666.

It is not a de Polignac number, because 8428316139 - 25 = 8428316107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8428316094 and 8428316103.

It is not an unprimeable number, because it can be changed into a prime (8428316159) 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 23 ways as a sum of consecutive naturals, for example, 162882 + ... + 208295.

It is an arithmetic number, because the mean of its divisors is an integer number (538826730).

Almost surely, 28428316139 is an apocalyptic number.

8428316139 is a deficient number, since it is larger than the sum of its proper divisors (4503525381).

8428316139 is a wasteful number, since it uses less digits than its factorization.

8428316139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371244 (or 371209 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 8428316139 is about 91805.8611364220. The cubic root of 8428316139 is about 2035.0743121730.

The spelling of 8428316139 in words is "eight billion, four hundred twenty-eight million, three hundred sixteen thousand, one hundred thirty-nine".

Divisors: 1 3 9 27 29 87 261 783 841 2523 7569 22707 371177 1113531 3340593 10021779 10764133 32292399 96877197 290631591 312159857 936479571 2809438713 8428316139