Base | Representation |
---|---|
bin | 101000100010010011… |
… | …1011011111111111101 |
3 | 22022200200221100122112 |
4 | 1101010213123333331 |
5 | 2411234414104114 |
6 | 103553535023405 |
7 | 6201123223652 |
oct | 1210447337775 |
9 | 268620840575 |
10 | 87050534909 |
11 | 33a10837338 |
12 | 14a5506ab65 |
13 | 8293a52770 |
14 | 42db2cbc29 |
15 | 23e746b13e |
hex | 14449dbffd |
87050534909 has 8 divisors (see below), whose sum is σ = 93751298592. Its totient is φ = 80350423920.
The previous prime is 87050534867. The next prime is 87050534929. The reversal of 87050534909 is 90943505078.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 87050534909 - 220 = 87049486333 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87050534929) 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, 133874 + ... + 438204.
It is an arithmetic number, because the mean of its divisors is an integer number (11718912324).
Almost surely, 287050534909 is an apocalyptic number.
It is an amenable number.
87050534909 is a deficient number, since it is larger than the sum of its proper divisors (6700763683).
87050534909 is a wasteful number, since it uses less digits than its factorization.
87050534909 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 326347.
The product of its (nonzero) digits is 1360800, while the sum is 50.
The spelling of 87050534909 in words is "eighty-seven billion, fifty million, five hundred thirty-four thousand, nine hundred nine".
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