Base | Representation |
---|---|
bin | 1111001001111011… |
… | …10101011001001111 |
3 | 210000001001000212122 |
4 | 13210331311121033 |
5 | 113130403211111 |
6 | 3423210523155 |
7 | 405425051261 |
oct | 74475653117 |
9 | 23001030778 |
10 | 8136382031 |
11 | 34a5859278 |
12 | 16b0a364bb |
13 | 9c888474b |
14 | 572849b31 |
15 | 329489cdb |
hex | 1e4f7564f |
8136382031 has 4 divisors (see below), whose sum is σ = 8136797112. Its totient is φ = 8135966952.
The previous prime is 8136382021. The next prime is 8136382039. The reversal of 8136382031 is 1302836318.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 8136382031 - 210 = 8136381007 is a prime.
It is a super-2 number, since 2×81363820312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 8136381982 and 8136382000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8136382039) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176600 + ... + 217853.
It is an arithmetic number, because the mean of its divisors is an integer number (2034199278).
Almost surely, 28136382031 is an apocalyptic number.
8136382031 is a deficient number, since it is larger than the sum of its proper divisors (415081).
8136382031 is a wasteful number, since it uses less digits than its factorization.
8136382031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 415080.
The product of its (nonzero) digits is 20736, while the sum is 35.
The square root of 8136382031 is about 90201.8959390544. The cubic root of 8136382031 is about 2011.3011905170.
The spelling of 8136382031 in words is "eight billion, one hundred thirty-six million, three hundred eighty-two thousand, thirty-one".
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