Base | Representation |
---|---|
bin | 101000110011111110… |
… | …0110001011010011001 |
3 | 22101020000101110220201 |
4 | 1101213330301122121 |
5 | 2413443143031301 |
6 | 104132432422201 |
7 | 6221612005060 |
oct | 1214774613231 |
9 | 271200343821 |
10 | 87643330201 |
11 | 341954141a9 |
12 | 14b9b6a7961 |
13 | 83597c7bcb |
14 | 4355d1b1d7 |
15 | 242e514201 |
hex | 1467f31699 |
87643330201 has 8 divisors (see below), whose sum is σ = 100442816640. Its totient is φ = 74913596448.
The previous prime is 87643330193. The next prime is 87643330211. The reversal of 87643330201 is 10203334678.
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 87643330201 - 23 = 87643330193 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (87643330211) 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, 17435476 + ... + 17440501.
It is an arithmetic number, because the mean of its divisors is an integer number (12555352080).
Almost surely, 287643330201 is an apocalyptic number.
It is an amenable number.
87643330201 is a deficient number, since it is larger than the sum of its proper divisors (12799486439).
87643330201 is a wasteful number, since it uses less digits than its factorization.
87643330201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34876343.
The product of its (nonzero) digits is 72576, while the sum is 37.
Adding to 87643330201 its reverse (10203334678), we get a palindrome (97846664879).
The spelling of 87643330201 in words is "eighty-seven billion, six hundred forty-three million, three hundred thirty thousand, two hundred one".
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