Base | Representation |
---|---|
bin | 1111000100000100… |
… | …00000101100010111 |
3 | 202212121101112200202 |
4 | 13202002000230113 |
5 | 113030302121424 |
6 | 3414251331115 |
7 | 404256412625 |
oct | 74202005427 |
9 | 22777345622 |
10 | 8087145239 |
11 | 347aa89a08 |
12 | 1698450a9b |
13 | 9bb605854 |
14 | 56a0b0515 |
15 | 324eb12ae |
hex | 1e2080b17 |
8087145239 has 8 divisors (see below), whose sum is σ = 8148228480. Its totient is φ = 8026103736.
The previous prime is 8087145217. The next prime is 8087145263. The reversal of 8087145239 is 9325417808.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 8087145239 - 224 = 8070368023 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 8087145193 and 8087145202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8087141239) 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 in 7 ways as a sum of consecutive naturals, for example, 456542 + ... + 473924.
It is an arithmetic number, because the mean of its divisors is an integer number (1018528560).
Almost surely, 28087145239 is an apocalyptic number.
8087145239 is a deficient number, since it is larger than the sum of its proper divisors (61083241).
8087145239 is a wasteful number, since it uses less digits than its factorization.
8087145239 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20869.
The product of its (nonzero) digits is 483840, while the sum is 47.
The square root of 8087145239 is about 89928.5563044354. The cubic root of 8087145239 is about 2007.2358926076.
The spelling of 8087145239 in words is "eight billion, eighty-seven million, one hundred forty-five thousand, two hundred thirty-nine".
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