Base | Representation |
---|---|
bin | 1000010111000… |
… | …10100101110011 |
3 | 11212222011221102 |
4 | 10023202211303 |
5 | 120423243011 |
6 | 10543115015 |
7 | 1511062454 |
oct | 413424563 |
9 | 155864842 |
10 | 70134131 |
11 | 366528a1 |
12 | 1b5a2a6b |
13 | 116b78b2 |
14 | 945912b |
15 | 625573b |
hex | 42e2973 |
70134131 has 2 divisors, whose sum is σ = 70134132. Its totient is φ = 70134130.
The previous prime is 70134109. The next prime is 70134137. The reversal of 70134131 is 13143107.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-70134131 is a prime.
It is a super-2 number, since 2×701341312 = 9837592662250322, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (70134137) 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, 35067065 + 35067066.
It is an arithmetic number, because the mean of its divisors is an integer number (35067066).
Almost surely, 270134131 is an apocalyptic number.
70134131 is a deficient number, since it is larger than the sum of its proper divisors (1).
70134131 is an equidigital number, since it uses as much as digits as its factorization.
70134131 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 252, while the sum is 20.
The square root of 70134131 is about 8374.6122895332. The cubic root of 70134131 is about 412.3915963690.
Adding to 70134131 its reverse (13143107), we get a palindrome (83277238).
The spelling of 70134131 in words is "seventy million, one hundred thirty-four thousand, one hundred thirty-one".
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