Base | Representation |
---|---|
bin | 101000101111011111… |
… | …0000001001011001011 |
3 | 22100211111212201221121 |
4 | 1101132332001023023 |
5 | 2413141110140323 |
6 | 104105451220111 |
7 | 6215102233060 |
oct | 1213676011313 |
9 | 270744781847 |
10 | 87492661963 |
11 | 341183659a3 |
12 | 14b59147637 |
13 | 8334523ac5 |
14 | 433dcdac67 |
15 | 24211a1a5d |
hex | 145ef812cb |
87492661963 has 8 divisors (see below), whose sum is σ = 104339075328. Its totient is φ = 71733114024.
The previous prime is 87492661961. The next prime is 87492661981. The reversal of 87492661963 is 36916629478.
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 87492661963 - 21 = 87492661961 is a prime.
It is not an unprimeable number, because it can be changed into a prime (87492661961) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271716181 + ... + 271716502.
It is an arithmetic number, because the mean of its divisors is an integer number (13042384416).
Almost surely, 287492661963 is an apocalyptic number.
87492661963 is a deficient number, since it is larger than the sum of its proper divisors (16846413365).
87492661963 is a wasteful number, since it uses less digits than its factorization.
87492661963 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 543432713.
The product of its digits is 23514624, while the sum is 61.
The spelling of 87492661963 in words is "eighty-seven billion, four hundred ninety-two million, six hundred sixty-one thousand, nine hundred sixty-three".
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