Base | Representation |
---|---|
bin | 10011111111100101001010… |
… | …110011011110110000000001 |
3 | 102112100020011122220112021221 |
4 | 103333211022303132300001 |
5 | 43011134440314212124 |
6 | 511003243010315041 |
7 | 24343612626431110 |
oct | 2377451263366001 |
9 | 375306148815257 |
10 | 87932120460289 |
11 | 26021891683526 |
12 | 9a41a01288a81 |
13 | 3a0ac6a711661 |
14 | 179dd1a0b1c77 |
15 | a274b24e7ce4 |
hex | 4ff94acdec01 |
87932120460289 has 8 divisors (see below), whose sum is σ = 100494078091520. Its totient is φ = 75370219363296.
The previous prime is 87932120460277. The next prime is 87932120460293. The reversal of 87932120460289 is 98206402123978.
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 87932120460289 - 213 = 87932120452097 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (87932120460229) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10746489 + ... + 17069014.
It is an arithmetic number, because the mean of its divisors is an integer number (12561759761440).
Almost surely, 287932120460289 is an apocalyptic number.
It is an amenable number.
87932120460289 is a deficient number, since it is larger than the sum of its proper divisors (12561957631231).
87932120460289 is a wasteful number, since it uses less digits than its factorization.
87932120460289 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28267119.
The product of its (nonzero) digits is 20901888, while the sum is 61.
The spelling of 87932120460289 in words is "eighty-seven trillion, nine hundred thirty-two billion, one hundred twenty million, four hundred sixty thousand, two hundred eighty-nine".
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